858732020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{3449}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 1843128000

約数和(自身を除く): 984395980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 211, 236, 295, 422, 590, 844, 1055, 1180, 2110, 3449, 4220, 6898, 12449, 13796, 17245, 24898, 34490, 49796, 62245, 68980, 124490, 203491, 248980, 406982, 727739, 813964, 1017455, 1455478, 2034910, 2910956, 3638695, 4069820, 7277390, 14554780, 42936601, 85873202, 171746404, 214683005, 429366010, 858732020]

約数ペア:

[(1, 858732020), (2, 429366010), (4, 214683005), (5, 171746404), (10, 85873202), (20, 42936601), (59, 14554780), (118, 7277390), (211, 4069820), (236, 3638695), (295, 2910956), (422, 2034910), (590, 1455478), (844, 1017455), (1055, 813964), (1180, 727739), (2110, 406982), (3449, 248980), (4220, 203491), (6898, 124490), (12449, 68980), (13796, 62245), (17245, 49796), (24898, 34490)]