378795640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1213}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 880198560

約数和(自身を除く): 501402920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 211, 296, 370, 422, 740, 844, 1055, 1213, 1480, 1688, 2110, 2426, 4220, 4852, 6065, 7807, 8440, 9704, 12130, 15614, 24260, 31228, 39035, 44881, 48520, 62456, 78070, 89762, 156140, 179524, 224405, 255943, 312280, 359048, 448810, 511886, 897620, 1023772, 1279715, 1795240, 2047544, 2559430, 5118860, 9469891, 10237720, 18939782, 37879564, 47349455, 75759128, 94698910, 189397820, 378795640]

約数ペア:

[(1, 378795640), (2, 189397820), (4, 94698910), (5, 75759128), (8, 47349455), (10, 37879564), (20, 18939782), (37, 10237720), (40, 9469891), (74, 5118860), (148, 2559430), (185, 2047544), (211, 1795240), (296, 1279715), (370, 1023772), (422, 897620), (740, 511886), (844, 448810), (1055, 359048), (1213, 312280), (1480, 255943), (1688, 224405), (2110, 179524), (2426, 156140), (4220, 89762), (4852, 78070), (6065, 62456), (7807, 48520), (8440, 44881), (9704, 39035), (12130, 31228), (15614, 24260)]