255607030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{74521}}^1$

素因数の和:74549

約数の個数: 32

約数和(自身を含む): 536558400

約数和(自身を除く): 280951370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 74521, 149042, 372605, 521647, 745210, 1043294, 2608235, 3651529, 5216470, 7303058, 18257645, 25560703, 36515290, 51121406, 127803515, 255607030]

約数ペア:

[(1, 255607030), (2, 127803515), (5, 51121406), (7, 36515290), (10, 25560703), (14, 18257645), (35, 7303058), (49, 5216470), (70, 3651529), (98, 2608235), (245, 1043294), (343, 745210), (490, 521647), (686, 372605), (1715, 149042), (3430, 74521)]