8508890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 17811360

約数和(自身を除く): 9302470

約数列:

[1, 2, 5, 10, 13, 26, 29, 37, 58, 61, 65, 74, 122, 130, 145, 185, 290, 305, 370, 377, 481, 610, 754, 793, 962, 1073, 1586, 1769, 1885, 2146, 2257, 2405, 3538, 3770, 3965, 4514, 4810, 5365, 7930, 8845, 10730, 11285, 13949, 17690, 22570, 22997, 27898, 29341, 45994, 58682, 65453, 69745, 114985, 130906, 139490, 146705, 229970, 293410, 327265, 654530, 850889, 1701778, 4254445, 8508890]

約数ペア:

[(1, 8508890), (2, 4254445), (5, 1701778), (10, 850889), (13, 654530), (26, 327265), (29, 293410), (37, 229970), (58, 146705), (61, 139490), (65, 130906), (74, 114985), (122, 69745), (130, 65453), (145, 58682), (185, 45994), (290, 29341), (305, 27898), (370, 22997), (377, 22570), (481, 17690), (610, 13949), (754, 11285), (793, 10730), (962, 8845), (1073, 7930), (1586, 5365), (1769, 4810), (1885, 4514), (2146, 3965), (2257, 3770), (2405, 3538)]