31184860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7726

約数の個数: 48

約数和(自身を含む): 77434560

約数和(自身を除く): 46249700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7681, 15362, 30724, 38405, 53767, 76810, 107534, 153620, 215068, 222749, 268835, 445498, 537670, 890996, 1075340, 1113745, 1559243, 2227490, 3118486, 4454980, 6236972, 7796215, 15592430, 31184860]

約数ペア:

[(1, 31184860), (2, 15592430), (4, 7796215), (5, 6236972), (7, 4454980), (10, 3118486), (14, 2227490), (20, 1559243), (28, 1113745), (29, 1075340), (35, 890996), (58, 537670), (70, 445498), (116, 268835), (140, 222749), (145, 215068), (203, 153620), (290, 107534), (406, 76810), (580, 53767), (812, 38405), (1015, 30724), (2030, 15362), (4060, 7681)]