28780398850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{164789}}^1$

素因数の和:165307

約数の個数: 48

約数和(自身を含む): 61301880000

約数和(自身を除く): 32521481150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 499, 998, 2495, 3493, 4990, 6986, 12475, 17465, 24950, 34930, 87325, 164789, 174650, 329578, 823945, 1153523, 1647890, 2307046, 4119725, 5767615, 8239450, 11535230, 28838075, 57676150, 82229711, 164459422, 411148555, 575607977, 822297110, 1151215954, 2055742775, 2878039885, 4111485550, 5756079770, 14390199425, 28780398850]

約数ペア:

[(1, 28780398850), (2, 14390199425), (5, 5756079770), (7, 4111485550), (10, 2878039885), (14, 2055742775), (25, 1151215954), (35, 822297110), (50, 575607977), (70, 411148555), (175, 164459422), (350, 82229711), (499, 57676150), (998, 28838075), (2495, 11535230), (3493, 8239450), (4990, 5767615), (6986, 4119725), (12475, 2307046), (17465, 1647890), (24950, 1153523), (34930, 823945), (87325, 329578), (164789, 174650)]