354395240

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{31307}}^1$

素因数の和:31601

約数の個数: 32

約数和(自身を含む): 800232480

約数和(自身を除く): 445837240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 31307, 62614, 125228, 156535, 250456, 313070, 626140, 1252280, 8859881, 17719762, 35439524, 44299405, 70879048, 88598810, 177197620, 354395240]

約数ペア:

[(1, 354395240), (2, 177197620), (4, 88598810), (5, 70879048), (8, 44299405), (10, 35439524), (20, 17719762), (40, 8859881), (283, 1252280), (566, 626140), (1132, 313070), (1415, 250456), (2264, 156535), (2830, 125228), (5660, 62614), (11320, 31307)]