74871580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4211}}^1$

素因数の和:4354

約数の個数: 48

約数和(自身を含む): 181149696

約数和(自身を除く): 106278116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4211, 4445, 8422, 8890, 16844, 17780, 21055, 29477, 42110, 58954, 84220, 117908, 147385, 294770, 534797, 589540, 1069594, 2139188, 2673985, 3743579, 5347970, 7487158, 10695940, 14974316, 18717895, 37435790, 74871580]

約数ペア:

[(1, 74871580), (2, 37435790), (4, 18717895), (5, 14974316), (7, 10695940), (10, 7487158), (14, 5347970), (20, 3743579), (28, 2673985), (35, 2139188), (70, 1069594), (127, 589540), (140, 534797), (254, 294770), (508, 147385), (635, 117908), (889, 84220), (1270, 58954), (1778, 42110), (2540, 29477), (3556, 21055), (4211, 17780), (4445, 16844), (8422, 8890)]