742878370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{439573}}^1$

素因数の和:439606

約数の個数: 24

約数和(自身を含む): 1447956756

約数和(自身を除く): 705078386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 439573, 879146, 2197865, 4395730, 5714449, 11428898, 28572245, 57144490, 74287837, 148575674, 371439185, 742878370]

約数ペア:

[(1, 742878370), (2, 371439185), (5, 148575674), (10, 74287837), (13, 57144490), (26, 28572245), (65, 11428898), (130, 5714449), (169, 4395730), (338, 2197865), (845, 879146), (1690, 439573)]