40986990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2222

約数の個数: 96

約数和(自身を含む): 122428800

約数和(自身を除く): 81441810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 165, 171, 190, 198, 209, 285, 330, 342, 418, 495, 570, 627, 855, 990, 1045, 1254, 1710, 1881, 2090, 2179, 3135, 3762, 4358, 6270, 6537, 9405, 10895, 13074, 18810, 19611, 21790, 23969, 32685, 39222, 41401, 47938, 65370, 71907, 82802, 98055, 119845, 124203, 143814, 196110, 207005, 215721, 239690, 248406, 359535, 372609, 414010, 431442, 455411, 621015, 719070, 745218, 910822, 1078605, 1242030, 1366233, 1863045, 2157210, 2277055, 2732466, 3726090, 4098699, 4554110, 6831165, 8197398, 13662330, 20493495, 40986990]

約数ペア:

[(1, 40986990), (2, 20493495), (3, 13662330), (5, 8197398), (6, 6831165), (9, 4554110), (10, 4098699), (11, 3726090), (15, 2732466), (18, 2277055), (19, 2157210), (22, 1863045), (30, 1366233), (33, 1242030), (38, 1078605), (45, 910822), (55, 745218), (57, 719070), (66, 621015), (90, 455411), (95, 431442), (99, 414010), (110, 372609), (114, 359535), (165, 248406), (171, 239690), (190, 215721), (198, 207005), (209, 196110), (285, 143814), (330, 124203), (342, 119845), (418, 98055), (495, 82802), (570, 71907), (627, 65370), (855, 47938), (990, 41401), (1045, 39222), (1254, 32685), (1710, 23969), (1881, 21790), (2090, 19611), (2179, 18810), (3135, 13074), (3762, 10895), (4358, 9405), (6270, 6537)]