51313220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1171}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 123650688

約数和(自身を除く): 72337468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 1171, 1252, 1565, 2191, 2342, 3130, 4382, 4684, 5855, 6260, 8197, 8764, 10955, 11710, 16394, 21910, 23420, 32788, 40985, 43820, 81970, 163940, 366523, 733046, 1466092, 1832615, 2565661, 3665230, 5131322, 7330460, 10262644, 12828305, 25656610, 51313220]

約数ペア:

[(1, 51313220), (2, 25656610), (4, 12828305), (5, 10262644), (7, 7330460), (10, 5131322), (14, 3665230), (20, 2565661), (28, 1832615), (35, 1466092), (70, 733046), (140, 366523), (313, 163940), (626, 81970), (1171, 43820), (1252, 40985), (1565, 32788), (2191, 23420), (2342, 21910), (3130, 16394), (4382, 11710), (4684, 10955), (5855, 8764), (6260, 8197)]