31377220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 76285440

約数和(自身を除く): 44908220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 2837, 5530, 5674, 11060, 11348, 14185, 19859, 28370, 39718, 56740, 79436, 99295, 198590, 224123, 397180, 448246, 896492, 1120615, 1568861, 2241230, 3137722, 4482460, 6275444, 7844305, 15688610, 31377220]

約数ペア:

[(1, 31377220), (2, 15688610), (4, 7844305), (5, 6275444), (7, 4482460), (10, 3137722), (14, 2241230), (20, 1568861), (28, 1120615), (35, 896492), (70, 448246), (79, 397180), (140, 224123), (158, 198590), (316, 99295), (395, 79436), (553, 56740), (790, 39718), (1106, 28370), (1580, 19859), (2212, 14185), (2765, 11348), (2837, 11060), (5530, 5674)]