739820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 1578528

約数和(自身を除く): 838708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 521, 710, 1042, 1420, 2084, 2605, 5210, 10420, 36991, 73982, 147964, 184955, 369910, 739820]

約数ペア:

[(1, 739820), (2, 369910), (4, 184955), (5, 147964), (10, 73982), (20, 36991), (71, 10420), (142, 5210), (284, 2605), (355, 2084), (521, 1420), (710, 1042)]