981346428

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 240

約数和(自身を含む): 2927232000

約数和(自身を除く): 1945885572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 29, 36, 38, 46, 54, 57, 58, 69, 76, 81, 87, 92, 108, 114, 116, 138, 162, 171, 174, 207, 228, 239, 261, 276, 324, 342, 348, 414, 437, 478, 513, 522, 551, 621, 667, 684, 717, 783, 828, 874, 956, 1026, 1044, 1102, 1242, 1311, 1334, 1434, 1539, 1566, 1653, 1748, 1863, 2001, 2052, 2151, 2204, 2349, 2484, 2622, 2668, 2868, 3078, 3132, 3306, 3726, 3933, 4002, 4302, 4541, 4698, 4959, 5244, 5497, 6003, 6156, 6453, 6612, 6931, 7452, 7866, 8004, 8604, 9082, 9396, 9918, 10994, 11799, 12006, 12673, 12906, 13623, 13862, 14877, 15732, 16491, 18009, 18164, 19359, 19836, 20793, 21988, 23598, 24012, 25346, 25812, 27246, 27724, 29754, 32982, 35397, 36018, 38019, 38718, 40869, 41586, 44631, 47196, 49473, 50692, 54027, 54492, 59508, 62379, 65964, 70794, 72036, 76038, 77436, 81738, 83172, 89262, 98946, 104443, 108054, 114057, 122607, 124758, 131689, 141588, 148419, 152076, 159413, 163476, 178524, 187137, 197892, 208886, 216108, 228114, 245214, 249516, 263378, 296838, 313329, 318826, 342171, 367821, 374274, 395067, 417772, 445257, 456228, 478239, 490428, 526756, 561411, 593676, 626658, 637652, 684342, 735642, 748548, 790134, 890514, 939987, 956478, 1026513, 1122822, 1185201, 1253316, 1368684, 1434717, 1471284, 1580268, 1781028, 1879974, 1912956, 2053026, 2245644, 2370402, 2819961, 2869434, 3028847, 3555603, 3759948, 4106052, 4304151, 4740804, 5639922, 5738868, 6057694, 7111206, 8459883, 8608302, 9086541, 10666809, 11279844, 12115388, 12912453, 14222412, 16919766, 17216604, 18173082, 21333618, 25824906, 27259623, 33839532, 36346164, 42667236, 51649812, 54519246, 81778869, 109038492, 163557738, 245336607, 327115476, 490673214, 981346428]

約数ペア:

[(1, 981346428), (2, 490673214), (3, 327115476), (4, 245336607), (6, 163557738), (9, 109038492), (12, 81778869), (18, 54519246), (19, 51649812), (23, 42667236), (27, 36346164), (29, 33839532), (36, 27259623), (38, 25824906), (46, 21333618), (54, 18173082), (57, 17216604), (58, 16919766), (69, 14222412), (76, 12912453), (81, 12115388), (87, 11279844), (92, 10666809), (108, 9086541), (114, 8608302), (116, 8459883), (138, 7111206), (162, 6057694), (171, 5738868), (174, 5639922), (207, 4740804), (228, 4304151), (239, 4106052), (261, 3759948), (276, 3555603), (324, 3028847), (342, 2869434), (348, 2819961), (414, 2370402), (437, 2245644), (478, 2053026), (513, 1912956), (522, 1879974), (551, 1781028), (621, 1580268), (667, 1471284), (684, 1434717), (717, 1368684), (783, 1253316), (828, 1185201), (874, 1122822), (956, 1026513), (1026, 956478), (1044, 939987), (1102, 890514), (1242, 790134), (1311, 748548), (1334, 735642), (1434, 684342), (1539, 637652), (1566, 626658), (1653, 593676), (1748, 561411), (1863, 526756), (2001, 490428), (2052, 478239), (2151, 456228), (2204, 445257), (2349, 417772), (2484, 395067), (2622, 374274), (2668, 367821), (2868, 342171), (3078, 318826), (3132, 313329), (3306, 296838), (3726, 263378), (3933, 249516), (4002, 245214), (4302, 228114), (4541, 216108), (4698, 208886), (4959, 197892), (5244, 187137), (5497, 178524), (6003, 163476), (6156, 159413), (6453, 152076), (6612, 148419), (6931, 141588), (7452, 131689), (7866, 124758), (8004, 122607), (8604, 114057), (9082, 108054), (9396, 104443), (9918, 98946), (10994, 89262), (11799, 83172), (12006, 81738), (12673, 77436), (12906, 76038), (13623, 72036), (13862, 70794), (14877, 65964), (15732, 62379), (16491, 59508), (18009, 54492), (18164, 54027), (19359, 50692), (19836, 49473), (20793, 47196), (21988, 44631), (23598, 41586), (24012, 40869), (25346, 38718), (25812, 38019), (27246, 36018), (27724, 35397), (29754, 32982)]