31131370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 57386880

約数和(自身を除く): 26255510

約数列:

[1, 2, 5, 10, 71, 142, 163, 269, 326, 355, 538, 710, 815, 1345, 1630, 2690, 11573, 19099, 23146, 38198, 43847, 57865, 87694, 95495, 115730, 190990, 219235, 438470, 3113137, 6226274, 15565685, 31131370]

約数ペア:

[(1, 31131370), (2, 15565685), (5, 6226274), (10, 3113137), (71, 438470), (142, 219235), (163, 190990), (269, 115730), (326, 95495), (355, 87694), (538, 57865), (710, 43847), (815, 38198), (1345, 23146), (1630, 19099), (2690, 11573)]