1998734868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 288

約数和(自身を含む): 6200812800

約数和(自身を除く): 4202077932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 29, 36, 38, 39, 46, 52, 57, 58, 69, 76, 78, 87, 92, 114, 116, 117, 138, 156, 171, 174, 207, 228, 234, 247, 261, 276, 299, 337, 342, 348, 377, 414, 437, 468, 494, 522, 551, 598, 667, 674, 684, 741, 754, 828, 874, 897, 988, 1011, 1044, 1102, 1131, 1196, 1311, 1334, 1348, 1482, 1508, 1653, 1748, 1794, 2001, 2022, 2204, 2223, 2262, 2622, 2668, 2691, 2964, 3033, 3306, 3393, 3588, 3933, 4002, 4044, 4381, 4446, 4524, 4959, 5244, 5382, 5681, 6003, 6066, 6403, 6612, 6786, 7163, 7751, 7866, 8004, 8671, 8762, 8892, 9773, 9918, 10764, 11362, 12006, 12132, 12673, 12806, 13143, 13572, 14326, 15502, 15732, 17043, 17342, 17524, 19209, 19546, 19836, 21489, 22724, 23253, 24012, 25346, 25612, 26013, 26286, 28652, 29319, 31004, 34086, 34684, 38019, 38418, 39092, 39429, 42978, 46506, 50692, 51129, 52026, 52572, 57627, 58638, 64467, 68172, 69759, 76038, 76836, 78039, 78858, 83239, 85956, 87957, 93012, 100763, 102258, 104052, 114057, 115254, 117276, 127049, 128934, 139518, 147269, 152076, 156078, 157716, 164749, 166478, 175914, 185687, 201526, 204516, 224779, 228114, 230508, 249717, 254098, 257868, 279036, 294538, 302289, 312156, 329498, 332956, 351828, 371374, 381147, 403052, 441807, 449558, 456228, 494247, 499434, 508196, 557061, 589076, 604578, 658996, 674337, 742748, 749151, 762294, 883614, 899116, 906867, 988494, 998868, 1114122, 1143441, 1209156, 1325421, 1348674, 1482741, 1498302, 1524588, 1671183, 1767228, 1813734, 1914497, 1976988, 2023011, 2228244, 2286882, 2413931, 2650842, 2697348, 2922127, 2965482, 2996604, 3342366, 3627468, 3828994, 4046022, 4270801, 4573764, 4827862, 5301684, 5743491, 5844254, 5930964, 6684732, 7241793, 7657988, 8092044, 8541602, 8766381, 9655724, 11486982, 11688508, 12812403, 14483586, 17083204, 17230473, 17532762, 21725379, 22973964, 25624806, 26299143, 28967172, 34460946, 35065524, 38437209, 43450758, 51249612, 52598286, 55520413, 68921892, 76874418, 86901516, 105196572, 111040826, 153748836, 166561239, 222081652, 333122478, 499683717, 666244956, 999367434, 1998734868]

約数ペア:

[(1, 1998734868), (2, 999367434), (3, 666244956), (4, 499683717), (6, 333122478), (9, 222081652), (12, 166561239), (13, 153748836), (18, 111040826), (19, 105196572), (23, 86901516), (26, 76874418), (29, 68921892), (36, 55520413), (38, 52598286), (39, 51249612), (46, 43450758), (52, 38437209), (57, 35065524), (58, 34460946), (69, 28967172), (76, 26299143), (78, 25624806), (87, 22973964), (92, 21725379), (114, 17532762), (116, 17230473), (117, 17083204), (138, 14483586), (156, 12812403), (171, 11688508), (174, 11486982), (207, 9655724), (228, 8766381), (234, 8541602), (247, 8092044), (261, 7657988), (276, 7241793), (299, 6684732), (337, 5930964), (342, 5844254), (348, 5743491), (377, 5301684), (414, 4827862), (437, 4573764), (468, 4270801), (494, 4046022), (522, 3828994), (551, 3627468), (598, 3342366), (667, 2996604), (674, 2965482), (684, 2922127), (741, 2697348), (754, 2650842), (828, 2413931), (874, 2286882), (897, 2228244), (988, 2023011), (1011, 1976988), (1044, 1914497), (1102, 1813734), (1131, 1767228), (1196, 1671183), (1311, 1524588), (1334, 1498302), (1348, 1482741), (1482, 1348674), (1508, 1325421), (1653, 1209156), (1748, 1143441), (1794, 1114122), (2001, 998868), (2022, 988494), (2204, 906867), (2223, 899116), (2262, 883614), (2622, 762294), (2668, 749151), (2691, 742748), (2964, 674337), (3033, 658996), (3306, 604578), (3393, 589076), (3588, 557061), (3933, 508196), (4002, 499434), (4044, 494247), (4381, 456228), (4446, 449558), (4524, 441807), (4959, 403052), (5244, 381147), (5382, 371374), (5681, 351828), (6003, 332956), (6066, 329498), (6403, 312156), (6612, 302289), (6786, 294538), (7163, 279036), (7751, 257868), (7866, 254098), (8004, 249717), (8671, 230508), (8762, 228114), (8892, 224779), (9773, 204516), (9918, 201526), (10764, 185687), (11362, 175914), (12006, 166478), (12132, 164749), (12673, 157716), (12806, 156078), (13143, 152076), (13572, 147269), (14326, 139518), (15502, 128934), (15732, 127049), (17043, 117276), (17342, 115254), (17524, 114057), (19209, 104052), (19546, 102258), (19836, 100763), (21489, 93012), (22724, 87957), (23253, 85956), (24012, 83239), (25346, 78858), (25612, 78039), (26013, 76836), (26286, 76038), (28652, 69759), (29319, 68172), (31004, 64467), (34086, 58638), (34684, 57627), (38019, 52572), (38418, 52026), (39092, 51129), (39429, 50692), (42978, 46506)]