254454920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{171929}}^1$

素因数の和:171977

約数の個数: 32

約数和(自身を含む): 588000600

約数和(自身を除く): 333545680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 171929, 343858, 687716, 859645, 1375432, 1719290, 3438580, 6361373, 6877160, 12722746, 25445492, 31806865, 50890984, 63613730, 127227460, 254454920]

約数ペア:

[(1, 254454920), (2, 127227460), (4, 63613730), (5, 50890984), (8, 31806865), (10, 25445492), (20, 12722746), (37, 6877160), (40, 6361373), (74, 3438580), (148, 1719290), (185, 1375432), (296, 859645), (370, 687716), (740, 343858), (1480, 171929)]