129718580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 278873280

約数和(自身を除く): 149154700

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 211, 236, 295, 422, 521, 590, 844, 1042, 1055, 1180, 2084, 2110, 2605, 4220, 5210, 10420, 12449, 24898, 30739, 49796, 61478, 62245, 109931, 122956, 124490, 153695, 219862, 248980, 307390, 439724, 549655, 614780, 1099310, 2198620, 6485929, 12971858, 25943716, 32429645, 64859290, 129718580]

約数ペア:

[(1, 129718580), (2, 64859290), (4, 32429645), (5, 25943716), (10, 12971858), (20, 6485929), (59, 2198620), (118, 1099310), (211, 614780), (236, 549655), (295, 439724), (422, 307390), (521, 248980), (590, 219862), (844, 153695), (1042, 124490), (1055, 122956), (1180, 109931), (2084, 62245), (2110, 61478), (2605, 49796), (4220, 30739), (5210, 24898), (10420, 12449)]