89461960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1129}}^1$

素因数の和:1430

約数の個数: 64

約数和(自身を含む): 231062400

約数和(自身を除く): 141600440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1129, 1132, 1415, 1981, 2258, 2264, 2830, 3962, 4516, 5645, 5660, 7903, 7924, 9032, 9905, 11290, 11320, 15806, 15848, 19810, 22580, 31612, 39515, 39620, 45160, 63224, 79030, 79240, 158060, 316120, 319507, 639014, 1278028, 1597535, 2236549, 2556056, 3195070, 4473098, 6390140, 8946196, 11182745, 12780280, 17892392, 22365490, 44730980, 89461960]

約数ペア:

[(1, 89461960), (2, 44730980), (4, 22365490), (5, 17892392), (7, 12780280), (8, 11182745), (10, 8946196), (14, 6390140), (20, 4473098), (28, 3195070), (35, 2556056), (40, 2236549), (56, 1597535), (70, 1278028), (140, 639014), (280, 319507), (283, 316120), (566, 158060), (1129, 79240), (1132, 79030), (1415, 63224), (1981, 45160), (2258, 39620), (2264, 39515), (2830, 31612), (3962, 22580), (4516, 19810), (5645, 15848), (5660, 15806), (7903, 11320), (7924, 11290), (9032, 9905)]