397161860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{374681}}^1$

素因数の和:374743

約数の個数: 24

約数和(自身を含む): 849778776

約数和(自身を除く): 452616916

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 374681, 749362, 1498724, 1873405, 3746810, 7493620, 19858093, 39716186, 79432372, 99290465, 198580930, 397161860]

約数ペア:

[(1, 397161860), (2, 198580930), (4, 99290465), (5, 79432372), (10, 39716186), (20, 19858093), (53, 7493620), (106, 3746810), (212, 1873405), (265, 1498724), (530, 749362), (1060, 374681)]