698140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 1490832

約数和(自身を除く): 792692

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 521, 670, 1042, 1340, 2084, 2605, 5210, 10420, 34907, 69814, 139628, 174535, 349070, 698140]

約数ペア:

[(1, 698140), (2, 349070), (4, 174535), (5, 139628), (10, 69814), (20, 34907), (67, 10420), (134, 5210), (268, 2605), (335, 2084), (521, 1340), (670, 1042)]