25702919620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2797}}^1\times {\mathrm{9377}}^1$

素因数の和:12197

約数の個数: 72

約数和(自身を含む): 62817707736

約数和(自身を除く): 37114788116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2797, 5594, 9377, 11188, 13985, 18754, 19579, 27970, 37508, 39158, 46885, 55940, 65639, 78316, 93770, 97895, 131278, 137053, 187540, 195790, 262556, 274106, 328195, 391580, 459473, 548212, 656390, 685265, 918946, 1312780, 1370530, 1837892, 2297365, 2741060, 4594730, 9189460, 26227469, 52454938, 104909876, 131137345, 183592283, 262274690, 367184566, 524549380, 734369132, 917961415, 1285145981, 1835922830, 2570291962, 3671845660, 5140583924, 6425729905, 12851459810, 25702919620]

約数ペア:

[(1, 25702919620), (2, 12851459810), (4, 6425729905), (5, 5140583924), (7, 3671845660), (10, 2570291962), (14, 1835922830), (20, 1285145981), (28, 917961415), (35, 734369132), (49, 524549380), (70, 367184566), (98, 262274690), (140, 183592283), (196, 131137345), (245, 104909876), (490, 52454938), (980, 26227469), (2797, 9189460), (5594, 4594730), (9377, 2741060), (11188, 2297365), (13985, 1837892), (18754, 1370530), (19579, 1312780), (27970, 918946), (37508, 685265), (39158, 656390), (46885, 548212), (55940, 459473), (65639, 391580), (78316, 328195), (93770, 274106), (97895, 262556), (131278, 195790), (137053, 187540)]