38694820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 84672000

約数和(自身を除く): 45977180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 449, 556, 620, 695, 898, 1390, 1796, 2245, 2780, 4309, 4490, 8618, 8980, 13919, 17236, 21545, 27838, 43090, 55676, 62411, 69595, 86180, 124822, 139190, 249644, 278380, 312055, 624110, 1248220, 1934741, 3869482, 7738964, 9673705, 19347410, 38694820]

約数ペア:

[(1, 38694820), (2, 19347410), (4, 9673705), (5, 7738964), (10, 3869482), (20, 1934741), (31, 1248220), (62, 624110), (124, 312055), (139, 278380), (155, 249644), (278, 139190), (310, 124822), (449, 86180), (556, 69595), (620, 62411), (695, 55676), (898, 43090), (1390, 27838), (1796, 21545), (2245, 17236), (2780, 13919), (4309, 8980), (4490, 8618)]