991870740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1051}}^1$

素因数の和:1187

約数の個数: 216

約数和(自身を含む): 3535957152

約数和(自身を除く): 2544086412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 107, 126, 140, 147, 180, 196, 210, 214, 245, 252, 294, 315, 321, 420, 428, 441, 490, 535, 588, 630, 642, 735, 749, 882, 963, 980, 1051, 1070, 1260, 1284, 1470, 1498, 1605, 1764, 1926, 2102, 2140, 2205, 2247, 2940, 2996, 3153, 3210, 3745, 3852, 4204, 4410, 4494, 4815, 5243, 5255, 6306, 6420, 6741, 7357, 7490, 8820, 8988, 9459, 9630, 10486, 10510, 11235, 12612, 13482, 14714, 14980, 15729, 15765, 18918, 19260, 20972, 21020, 22071, 22470, 26215, 26964, 29428, 31458, 31530, 33705, 36785, 37836, 44142, 44940, 47187, 47295, 51499, 52430, 62916, 63060, 66213, 67410, 73570, 78645, 88284, 94374, 94590, 102998, 104860, 110355, 112457, 132426, 134820, 147140, 154497, 157290, 188748, 189180, 205996, 220710, 224914, 235935, 257495, 264852, 308994, 314580, 331065, 337371, 441420, 449828, 463491, 471870, 514990, 562285, 617988, 662130, 674742, 772485, 787199, 926982, 943740, 1012113, 1029980, 1124570, 1324260, 1349484, 1544970, 1574398, 1686855, 1853964, 2024226, 2249140, 2317455, 2361597, 3089940, 3148796, 3373710, 3935995, 4048452, 4634910, 4723194, 5060565, 5510393, 6747420, 7084791, 7871990, 9269820, 9446388, 10121130, 11020786, 11807985, 14169582, 15743980, 16531179, 20242260, 22041572, 23615970, 27551965, 28339164, 33062358, 35423955, 47231940, 49593537, 55103930, 66124716, 70847910, 82655895, 99187074, 110207860, 141695820, 165311790, 198374148, 247967685, 330623580, 495935370, 991870740]

約数ペア:

[(1, 991870740), (2, 495935370), (3, 330623580), (4, 247967685), (5, 198374148), (6, 165311790), (7, 141695820), (9, 110207860), (10, 99187074), (12, 82655895), (14, 70847910), (15, 66124716), (18, 55103930), (20, 49593537), (21, 47231940), (28, 35423955), (30, 33062358), (35, 28339164), (36, 27551965), (42, 23615970), (45, 22041572), (49, 20242260), (60, 16531179), (63, 15743980), (70, 14169582), (84, 11807985), (90, 11020786), (98, 10121130), (105, 9446388), (107, 9269820), (126, 7871990), (140, 7084791), (147, 6747420), (180, 5510393), (196, 5060565), (210, 4723194), (214, 4634910), (245, 4048452), (252, 3935995), (294, 3373710), (315, 3148796), (321, 3089940), (420, 2361597), (428, 2317455), (441, 2249140), (490, 2024226), (535, 1853964), (588, 1686855), (630, 1574398), (642, 1544970), (735, 1349484), (749, 1324260), (882, 1124570), (963, 1029980), (980, 1012113), (1051, 943740), (1070, 926982), (1260, 787199), (1284, 772485), (1470, 674742), (1498, 662130), (1605, 617988), (1764, 562285), (1926, 514990), (2102, 471870), (2140, 463491), (2205, 449828), (2247, 441420), (2940, 337371), (2996, 331065), (3153, 314580), (3210, 308994), (3745, 264852), (3852, 257495), (4204, 235935), (4410, 224914), (4494, 220710), (4815, 205996), (5243, 189180), (5255, 188748), (6306, 157290), (6420, 154497), (6741, 147140), (7357, 134820), (7490, 132426), (8820, 112457), (8988, 110355), (9459, 104860), (9630, 102998), (10486, 94590), (10510, 94374), (11235, 88284), (12612, 78645), (13482, 73570), (14714, 67410), (14980, 66213), (15729, 63060), (15765, 62916), (18918, 52430), (19260, 51499), (20972, 47295), (21020, 47187), (22071, 44940), (22470, 44142), (26215, 37836), (26964, 36785), (29428, 33705), (31458, 31530)]