90602680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323581}}^1$

素因数の和:323599

約数の個数: 32

約数和(自身を含む): 232979040

約数和(自身を除く): 142376360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323581, 647162, 1294324, 1617905, 2265067, 2588648, 3235810, 4530134, 6471620, 9060268, 11325335, 12943240, 18120536, 22650670, 45301340, 90602680]

約数ペア:

[(1, 90602680), (2, 45301340), (4, 22650670), (5, 18120536), (7, 12943240), (8, 11325335), (10, 9060268), (14, 6471620), (20, 4530134), (28, 3235810), (35, 2588648), (40, 2265067), (56, 1617905), (70, 1294324), (140, 647162), (280, 323581)]