209989680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{874957}}^1$

素因数の和:874973

約数の個数: 40

約数和(自身を含む): 650968752

約数和(自身を除く): 440979072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 874957, 1749914, 2624871, 3499828, 4374785, 5249742, 6999656, 8749570, 10499484, 13124355, 13999312, 17499140, 20998968, 26248710, 34998280, 41997936, 52497420, 69996560, 104994840, 209989680]

約数ペア:

[(1, 209989680), (2, 104994840), (3, 69996560), (4, 52497420), (5, 41997936), (6, 34998280), (8, 26248710), (10, 20998968), (12, 17499140), (15, 13999312), (16, 13124355), (20, 10499484), (24, 8749570), (30, 6999656), (40, 5249742), (48, 4374785), (60, 3499828), (80, 2624871), (120, 1749914), (240, 874957)]