868071920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{350029}}^1$

素因数の和:350073

約数の個数: 40

約数和(自身を含む): 2083378560

約数和(自身を除く): 1215306640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 350029, 700058, 1400116, 1750145, 2800232, 3500290, 5600464, 7000580, 10850899, 14001160, 21701798, 28002320, 43403596, 54254495, 86807192, 108508990, 173614384, 217017980, 434035960, 868071920]

約数ペア:

[(1, 868071920), (2, 434035960), (4, 217017980), (5, 173614384), (8, 108508990), (10, 86807192), (16, 54254495), (20, 43403596), (31, 28002320), (40, 21701798), (62, 14001160), (80, 10850899), (124, 7000580), (155, 5600464), (248, 3500290), (310, 2800232), (496, 1750145), (620, 1400116), (1240, 700058), (2480, 350029)]