188249980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1439}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 410296320

約数和(自身を除く): 222046340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 1055, 1439, 2110, 2878, 4220, 5756, 6541, 7195, 13082, 14390, 26164, 28780, 32705, 44609, 65410, 89218, 130820, 178436, 223045, 303629, 446090, 607258, 892180, 1214516, 1518145, 3036290, 6072580, 9412499, 18824998, 37649996, 47062495, 94124990, 188249980]

約数ペア:

[(1, 188249980), (2, 94124990), (4, 47062495), (5, 37649996), (10, 18824998), (20, 9412499), (31, 6072580), (62, 3036290), (124, 1518145), (155, 1214516), (211, 892180), (310, 607258), (422, 446090), (620, 303629), (844, 223045), (1055, 178436), (1439, 130820), (2110, 89218), (2878, 65410), (4220, 44609), (5756, 32705), (6541, 28780), (7195, 26164), (13082, 14390)]