508799980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{18289}}^1$

素因数の和:18418

約数の個数: 48

約数和(自身を含む): 1161488160

約数和(自身を除く): 652688180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 13910, 18289, 27820, 36578, 73156, 91445, 182890, 237757, 365780, 475514, 951028, 1188785, 1956923, 2377570, 3913846, 4755140, 7827692, 9784615, 19569230, 25439999, 39138460, 50879998, 101759996, 127199995, 254399990, 508799980]

約数ペア:

[(1, 508799980), (2, 254399990), (4, 127199995), (5, 101759996), (10, 50879998), (13, 39138460), (20, 25439999), (26, 19569230), (52, 9784615), (65, 7827692), (107, 4755140), (130, 3913846), (214, 2377570), (260, 1956923), (428, 1188785), (535, 951028), (1070, 475514), (1391, 365780), (2140, 237757), (2782, 182890), (5564, 91445), (6955, 73156), (13910, 36578), (18289, 27820)]