129654940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223543}}^1$

素因数の和:223581

約数の個数: 24

約数和(自身を含む): 281665440

約数和(自身を除く): 152010500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 223543, 447086, 894172, 1117715, 2235430, 4470860, 6482747, 12965494, 25930988, 32413735, 64827470, 129654940]

約数ペア:

[(1, 129654940), (2, 64827470), (4, 32413735), (5, 25930988), (10, 12965494), (20, 6482747), (29, 4470860), (58, 2235430), (116, 1117715), (145, 894172), (290, 447086), (580, 223543)]