129138680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2311}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 319610880

約数和(自身を除く): 190472200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 2311, 2540, 2794, 4622, 5080, 5588, 6985, 9244, 11176, 11555, 13970, 18488, 23110, 25421, 27940, 46220, 50842, 55880, 92440, 101684, 127105, 203368, 254210, 293497, 508420, 586994, 1016840, 1173988, 1467485, 2347976, 2934970, 3228467, 5869940, 6456934, 11739880, 12913868, 16142335, 25827736, 32284670, 64569340, 129138680]

約数ペア:

[(1, 129138680), (2, 64569340), (4, 32284670), (5, 25827736), (8, 16142335), (10, 12913868), (11, 11739880), (20, 6456934), (22, 5869940), (40, 3228467), (44, 2934970), (55, 2347976), (88, 1467485), (110, 1173988), (127, 1016840), (220, 586994), (254, 508420), (440, 293497), (508, 254210), (635, 203368), (1016, 127105), (1270, 101684), (1397, 92440), (2311, 55880), (2540, 50842), (2794, 46220), (4622, 27940), (5080, 25421), (5588, 23110), (6985, 18488), (9244, 13970), (11176, 11555)]