255599620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2237}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 558336240

約数和(自身を除く): 302736620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 290, 394, 580, 788, 985, 1970, 2237, 3940, 4474, 5713, 8948, 11185, 11426, 22370, 22852, 28565, 44740, 57130, 64873, 114260, 129746, 259492, 324365, 440689, 648730, 881378, 1297460, 1762756, 2203445, 4406890, 8813780, 12779981, 25559962, 51119924, 63899905, 127799810, 255599620]

約数ペア:

[(1, 255599620), (2, 127799810), (4, 63899905), (5, 51119924), (10, 25559962), (20, 12779981), (29, 8813780), (58, 4406890), (116, 2203445), (145, 1762756), (197, 1297460), (290, 881378), (394, 648730), (580, 440689), (788, 324365), (985, 259492), (1970, 129746), (2237, 114260), (3940, 64873), (4474, 57130), (5713, 44740), (8948, 28565), (11185, 22852), (11426, 22370)]