72584540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1039}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 174720000

約数和(自身を除く): 102135460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1039, 1996, 2078, 2495, 3493, 4156, 4990, 5195, 6986, 7273, 9980, 10390, 13972, 14546, 17465, 20780, 29092, 34930, 36365, 69860, 72730, 145460, 518461, 1036922, 2073844, 2592305, 3629227, 5184610, 7258454, 10369220, 14516908, 18146135, 36292270, 72584540]

約数ペア:

[(1, 72584540), (2, 36292270), (4, 18146135), (5, 14516908), (7, 10369220), (10, 7258454), (14, 5184610), (20, 3629227), (28, 2592305), (35, 2073844), (70, 1036922), (140, 518461), (499, 145460), (998, 72730), (1039, 69860), (1996, 36365), (2078, 34930), (2495, 29092), (3493, 20780), (4156, 17465), (4990, 14546), (5195, 13972), (6986, 10390), (7273, 9980)]