87708850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 167790600

約数和(自身を除く): 80081750

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 149, 193, 298, 305, 386, 610, 745, 965, 1490, 1525, 1930, 3050, 3725, 4825, 7450, 9089, 9650, 11773, 18178, 23546, 28757, 45445, 57514, 58865, 90890, 117730, 143785, 227225, 287570, 294325, 454450, 588650, 718925, 1437850, 1754177, 3508354, 8770885, 17541770, 43854425, 87708850]

約数ペア:

[(1, 87708850), (2, 43854425), (5, 17541770), (10, 8770885), (25, 3508354), (50, 1754177), (61, 1437850), (122, 718925), (149, 588650), (193, 454450), (298, 294325), (305, 287570), (386, 227225), (610, 143785), (745, 117730), (965, 90890), (1490, 58865), (1525, 57514), (1930, 45445), (3050, 28757), (3725, 23546), (4825, 18178), (7450, 11773), (9089, 9650)]