18868744700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3769}}^1\times {\mathrm{3851}}^1$

素因数の和:7647

約数の個数: 72

約数和(自身を含む): 44117957520

約数和(自身を除く): 25249212820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3769, 3851, 7538, 7702, 15076, 15404, 18845, 19255, 37690, 38510, 48997, 50063, 75380, 77020, 94225, 96275, 97994, 100126, 188450, 192550, 195988, 200252, 244985, 250315, 376900, 385100, 489970, 500630, 979940, 1001260, 1224925, 1251575, 2449850, 2503150, 4899700, 5006300, 14514419, 29028838, 58057676, 72572095, 145144190, 188687447, 290288380, 362860475, 377374894, 725720950, 754749788, 943437235, 1451441900, 1886874470, 3773748940, 4717186175, 9434372350, 18868744700]

約数ペア:

[(1, 18868744700), (2, 9434372350), (4, 4717186175), (5, 3773748940), (10, 1886874470), (13, 1451441900), (20, 943437235), (25, 754749788), (26, 725720950), (50, 377374894), (52, 362860475), (65, 290288380), (100, 188687447), (130, 145144190), (260, 72572095), (325, 58057676), (650, 29028838), (1300, 14514419), (3769, 5006300), (3851, 4899700), (7538, 2503150), (7702, 2449850), (15076, 1251575), (15404, 1224925), (18845, 1001260), (19255, 979940), (37690, 500630), (38510, 489970), (48997, 385100), (50063, 376900), (75380, 250315), (77020, 244985), (94225, 200252), (96275, 195988), (97994, 192550), (100126, 188450)]