31355060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{397}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 72213120

約数和(自身を除く): 40858060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 397, 718, 794, 1436, 1588, 1795, 1985, 3590, 3949, 3970, 4367, 7180, 7898, 7940, 8734, 15796, 17468, 19745, 21835, 39490, 43670, 78980, 87340, 142523, 285046, 570092, 712615, 1425230, 1567753, 2850460, 3135506, 6271012, 7838765, 15677530, 31355060]

約数ペア:

[(1, 31355060), (2, 15677530), (4, 7838765), (5, 6271012), (10, 3135506), (11, 2850460), (20, 1567753), (22, 1425230), (44, 712615), (55, 570092), (110, 285046), (220, 142523), (359, 87340), (397, 78980), (718, 43670), (794, 39490), (1436, 21835), (1588, 19745), (1795, 17468), (1985, 15796), (3590, 8734), (3949, 7940), (3970, 7898), (4367, 7180)]