204589210

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{8521}}^1$

素因数の和:8556

約数の個数: 40

約数和(自身を含む): 429662196

約数和(自身を除く): 225072986

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2401, 3430, 4802, 8521, 12005, 17042, 24010, 42605, 59647, 85210, 119294, 298235, 417529, 596470, 835058, 2087645, 2922703, 4175290, 5845406, 14613515, 20458921, 29227030, 40917842, 102294605, 204589210]

約数ペア:

[(1, 204589210), (2, 102294605), (5, 40917842), (7, 29227030), (10, 20458921), (14, 14613515), (35, 5845406), (49, 4175290), (70, 2922703), (98, 2087645), (245, 835058), (343, 596470), (490, 417529), (686, 298235), (1715, 119294), (2401, 85210), (3430, 59647), (4802, 42605), (8521, 24010), (12005, 17042)]