145702280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{23201}}^1$

素因数の和:23369

約数の個数: 32

約数和(自身を含む): 329932440

約数和(自身を除く): 184230160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 23201, 46402, 92804, 116005, 185608, 232010, 464020, 928040, 3642557, 7285114, 14570228, 18212785, 29140456, 36425570, 72851140, 145702280]

約数ペア:

[(1, 145702280), (2, 72851140), (4, 36425570), (5, 29140456), (8, 18212785), (10, 14570228), (20, 7285114), (40, 3642557), (157, 928040), (314, 464020), (628, 232010), (785, 185608), (1256, 116005), (1570, 92804), (3140, 46402), (6280, 23201)]