380070340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1461809}}^1$

素因数の和:1461831

約数の個数: 24

約数和(自身を含む): 859544280

約数和(自身を除く): 479473940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1461809, 2923618, 5847236, 7309045, 14618090, 19003517, 29236180, 38007034, 76014068, 95017585, 190035170, 380070340]

約数ペア:

[(1, 380070340), (2, 190035170), (4, 95017585), (5, 76014068), (10, 38007034), (13, 29236180), (20, 19003517), (26, 14618090), (52, 7309045), (65, 5847236), (130, 2923618), (260, 1461809)]