1996607620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{138461}}^1$

素因数の和:138580

約数の個数: 48

約数和(自身を含む): 4838416128

約数和(自身を除く): 2841808508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 138461, 276922, 553844, 692305, 969227, 1384610, 1938454, 2769220, 3876908, 4846135, 9692270, 14261483, 19384540, 28522966, 57045932, 71307415, 99830381, 142614830, 199660762, 285229660, 399321524, 499151905, 998303810, 1996607620]

約数ペア:

[(1, 1996607620), (2, 998303810), (4, 499151905), (5, 399321524), (7, 285229660), (10, 199660762), (14, 142614830), (20, 99830381), (28, 71307415), (35, 57045932), (70, 28522966), (103, 19384540), (140, 14261483), (206, 9692270), (412, 4846135), (515, 3876908), (721, 2769220), (1030, 1938454), (1442, 1384610), (2060, 969227), (2884, 692305), (3605, 553844), (7210, 276922), (14420, 138461)]