245736760

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{41231}}^1$

素因数の和:41391

約数の個数: 32

約数和(自身を含む): 556632000

約数和(自身を除く): 310895240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 41231, 82462, 164924, 206155, 329848, 412310, 824620, 1649240, 6143419, 12286838, 24573676, 30717095, 49147352, 61434190, 122868380, 245736760]

約数ペア:

[(1, 245736760), (2, 122868380), (4, 61434190), (5, 49147352), (8, 30717095), (10, 24573676), (20, 12286838), (40, 6143419), (149, 1649240), (298, 824620), (596, 412310), (745, 329848), (1192, 206155), (1490, 164924), (2980, 82462), (5960, 41231)]