77186980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 181300392

約数和(自身を除く): 104113412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 353, 377, 580, 706, 754, 841, 1412, 1508, 1682, 1765, 1885, 3364, 3530, 3770, 4205, 4589, 7060, 7540, 8410, 9178, 10237, 10933, 16820, 18356, 20474, 21866, 22945, 40948, 43732, 45890, 51185, 54665, 91780, 102370, 109330, 133081, 204740, 218660, 266162, 296873, 532324, 593746, 665405, 1187492, 1330810, 1484365, 2661620, 2968730, 3859349, 5937460, 7718698, 15437396, 19296745, 38593490, 77186980]

約数ペア:

[(1, 77186980), (2, 38593490), (4, 19296745), (5, 15437396), (10, 7718698), (13, 5937460), (20, 3859349), (26, 2968730), (29, 2661620), (52, 1484365), (58, 1330810), (65, 1187492), (116, 665405), (130, 593746), (145, 532324), (260, 296873), (290, 266162), (353, 218660), (377, 204740), (580, 133081), (706, 109330), (754, 102370), (841, 91780), (1412, 54665), (1508, 51185), (1682, 45890), (1765, 43732), (1885, 40948), (3364, 22945), (3530, 21866), (3770, 20474), (4205, 18356), (4589, 16820), (7060, 10933), (7540, 10237), (8410, 9178)]