179945240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63361}}^1$

素因数の和:63443

約数の個数: 32

約数和(自身を含む): 410585760

約数和(自身を除く): 230640520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 63361, 126722, 253444, 316805, 506888, 633610, 1267220, 2534440, 4498631, 8997262, 17994524, 22493155, 35989048, 44986310, 89972620, 179945240]

約数ペア:

[(1, 179945240), (2, 89972620), (4, 44986310), (5, 35989048), (8, 22493155), (10, 17994524), (20, 8997262), (40, 4498631), (71, 2534440), (142, 1267220), (284, 633610), (355, 506888), (568, 316805), (710, 253444), (1420, 126722), (2840, 63361)]