57311240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 148262400

約数和(自身を除く): 90951160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1039, 1379, 1576, 1970, 2078, 2758, 3940, 4156, 5195, 5516, 6895, 7273, 7880, 8312, 10390, 11032, 13790, 14546, 20780, 27580, 29092, 36365, 41560, 55160, 58184, 72730, 145460, 204683, 290920, 409366, 818732, 1023415, 1432781, 1637464, 2046830, 2865562, 4093660, 5731124, 7163905, 8187320, 11462248, 14327810, 28655620, 57311240]

約数ペア:

[(1, 57311240), (2, 28655620), (4, 14327810), (5, 11462248), (7, 8187320), (8, 7163905), (10, 5731124), (14, 4093660), (20, 2865562), (28, 2046830), (35, 1637464), (40, 1432781), (56, 1023415), (70, 818732), (140, 409366), (197, 290920), (280, 204683), (394, 145460), (788, 72730), (985, 58184), (1039, 55160), (1379, 41560), (1576, 36365), (1970, 29092), (2078, 27580), (2758, 20780), (3940, 14546), (4156, 13790), (5195, 11032), (5516, 10390), (6895, 8312), (7273, 7880)]