220634680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{787981}}^1$

素因数の和:787999

約数の個数: 32

約数和(自身を含む): 567347040

約数和(自身を除く): 346712360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 787981, 1575962, 3151924, 3939905, 5515867, 6303848, 7879810, 11031734, 15759620, 22063468, 27579335, 31519240, 44126936, 55158670, 110317340, 220634680]

約数ペア:

[(1, 220634680), (2, 110317340), (4, 55158670), (5, 44126936), (7, 31519240), (8, 27579335), (10, 22063468), (14, 15759620), (20, 11031734), (28, 7879810), (35, 6303848), (40, 5515867), (56, 3939905), (70, 3151924), (140, 1575962), (280, 787981)]