848278.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 11665920

約数和(自身を除く): 6408940

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 139, 155, 244, 278, 305, 310, 556, 610, 620, 695, 1220, 1390, 1891, 2780, 3782, 4309, 7564, 8479, 8618, 9455, 16958, 17236, 18910, 21545, 33916, 37820, 42395, 43090, 84790, 86180, 169580, 262849, 525698, 1051396, 1314245, 2628490, 5256980]

約数ペア:

[(1, 5256980), (2, 2628490), (4, 1314245), (5, 1051396), (10, 525698), (20, 262849), (31, 169580), (61, 86180), (62, 84790), (122, 43090), (124, 42395), (139, 37820), (155, 33916), (244, 21545), (278, 18910), (305, 17236), (310, 16958), (556, 9455), (610, 8618), (620, 8479), (695, 7564), (1220, 4309), (1390, 3782), (1891, 2780)]