87818380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 216619200

約数和(自身を除く): 128800820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 190, 247, 260, 290, 377, 380, 494, 551, 580, 613, 754, 988, 1102, 1226, 1235, 1508, 1885, 2204, 2452, 2470, 2755, 3065, 3770, 4940, 5510, 6130, 7163, 7540, 7969, 11020, 11647, 12260, 14326, 15938, 17777, 23294, 28652, 31876, 35554, 35815, 39845, 46588, 58235, 71108, 71630, 79690, 88885, 116470, 143260, 151411, 159380, 177770, 231101, 232940, 302822, 337763, 355540, 462202, 605644, 675526, 757055, 924404, 1155505, 1351052, 1514110, 1688815, 2311010, 3028220, 3377630, 4390919, 4622020, 6755260, 8781838, 17563676, 21954595, 43909190, 87818380]

約数ペア:

[(1, 87818380), (2, 43909190), (4, 21954595), (5, 17563676), (10, 8781838), (13, 6755260), (19, 4622020), (20, 4390919), (26, 3377630), (29, 3028220), (38, 2311010), (52, 1688815), (58, 1514110), (65, 1351052), (76, 1155505), (95, 924404), (116, 757055), (130, 675526), (145, 605644), (190, 462202), (247, 355540), (260, 337763), (290, 302822), (377, 232940), (380, 231101), (494, 177770), (551, 159380), (580, 151411), (613, 143260), (754, 116470), (988, 88885), (1102, 79690), (1226, 71630), (1235, 71108), (1508, 58235), (1885, 46588), (2204, 39845), (2452, 35815), (2470, 35554), (2755, 31876), (3065, 28652), (3770, 23294), (4940, 17777), (5510, 15938), (6130, 14326), (7163, 12260), (7540, 11647), (7969, 11020)]