30866840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5179}}^1$

素因数の和:5339

約数の個数: 32

約数和(自身を含む): 69930000

約数和(自身を除く): 39063160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5179, 5960, 10358, 20716, 25895, 41432, 51790, 103580, 207160, 771671, 1543342, 3086684, 3858355, 6173368, 7716710, 15433420, 30866840]

約数ペア:

[(1, 30866840), (2, 15433420), (4, 7716710), (5, 6173368), (8, 3858355), (10, 3086684), (20, 1543342), (40, 771671), (149, 207160), (298, 103580), (596, 51790), (745, 41432), (1192, 25895), (1490, 20716), (2980, 10358), (5179, 5960)]