64355620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 159066936

約数和(自身を除く): 94711316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 677, 679, 970, 980, 1354, 1358, 1940, 2708, 2716, 3385, 3395, 4739, 4753, 6770, 6790, 9478, 9506, 13540, 13580, 18956, 19012, 23695, 23765, 33173, 47390, 47530, 65669, 66346, 94780, 95060, 131338, 132692, 165865, 262676, 328345, 331730, 459683, 656690, 663460, 919366, 1313380, 1838732, 2298415, 3217781, 4596830, 6435562, 9193660, 12871124, 16088905, 32177810, 64355620]

約数ペア:

[(1, 64355620), (2, 32177810), (4, 16088905), (5, 12871124), (7, 9193660), (10, 6435562), (14, 4596830), (20, 3217781), (28, 2298415), (35, 1838732), (49, 1313380), (70, 919366), (97, 663460), (98, 656690), (140, 459683), (194, 331730), (196, 328345), (245, 262676), (388, 165865), (485, 132692), (490, 131338), (677, 95060), (679, 94780), (970, 66346), (980, 65669), (1354, 47530), (1358, 47390), (1940, 33173), (2708, 23765), (2716, 23695), (3385, 19012), (3395, 18956), (4739, 13580), (4753, 13540), (6770, 9506), (6790, 9478)]