85919960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306857}}^1$

素因数の和:306875

約数の個数: 32

約数和(自身を含む): 220937760

約数和(自身を除く): 135017800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306857, 613714, 1227428, 1534285, 2147999, 2454856, 3068570, 4295998, 6137140, 8591996, 10739995, 12274280, 17183992, 21479990, 42959980, 85919960]

約数ペア:

[(1, 85919960), (2, 42959980), (4, 21479990), (5, 17183992), (7, 12274280), (8, 10739995), (10, 8591996), (14, 6137140), (20, 4295998), (28, 3068570), (35, 2454856), (40, 2147999), (56, 1534285), (70, 1227428), (140, 613714), (280, 306857)]