222769240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{129517}}^1$

素因数の和:129571

約数の個数: 32

約数和(自身を含む): 512891280

約数和(自身を除く): 290122040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 129517, 259034, 518068, 647585, 1036136, 1295170, 2590340, 5180680, 5569231, 11138462, 22276924, 27846155, 44553848, 55692310, 111384620, 222769240]

約数ペア:

[(1, 222769240), (2, 111384620), (4, 55692310), (5, 44553848), (8, 27846155), (10, 22276924), (20, 11138462), (40, 5569231), (43, 5180680), (86, 2590340), (172, 1295170), (215, 1036136), (344, 647585), (430, 518068), (860, 259034), (1720, 129517)]