394448260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{372121}}^1$

素因数の和:372183

約数の個数: 24

約数和(自身を含む): 843972696

約数和(自身を除く): 449524436

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 372121, 744242, 1488484, 1860605, 3721210, 7442420, 19722413, 39444826, 78889652, 98612065, 197224130, 394448260]

約数ペア:

[(1, 394448260), (2, 197224130), (4, 98612065), (5, 78889652), (10, 39444826), (20, 19722413), (53, 7442420), (106, 3721210), (212, 1860605), (265, 1488484), (530, 744242), (1060, 372121)]