320440684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{19717}}^1$

素因数の和:19977

約数の個数: 24

約数和(自身を含む): 596272320

約数和(自身を除く): 275831636

約数列:

[1, 2, 4, 17, 34, 68, 239, 478, 956, 4063, 8126, 16252, 19717, 39434, 78868, 335189, 670378, 1340756, 4712363, 9424726, 18849452, 80110171, 160220342, 320440684]

約数ペア:

[(1, 320440684), (2, 160220342), (4, 80110171), (17, 18849452), (34, 9424726), (68, 4712363), (239, 1340756), (478, 670378), (956, 335189), (4063, 78868), (8126, 39434), (16252, 19717)]