418424360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2657}}^1$

素因数の和:2826

約数の個数: 64

約数和(自身を含む): 979845120

約数和(自身を除く): 561420760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 2657, 3937, 5080, 5314, 7874, 10628, 13285, 15748, 19685, 21256, 26570, 31496, 39370, 53140, 78740, 82367, 106280, 157480, 164734, 329468, 337439, 411835, 658936, 674878, 823670, 1349756, 1647340, 1687195, 2699512, 3294680, 3374390, 6748780, 10460609, 13497560, 20921218, 41842436, 52303045, 83684872, 104606090, 209212180, 418424360]

約数ペア:

[(1, 418424360), (2, 209212180), (4, 104606090), (5, 83684872), (8, 52303045), (10, 41842436), (20, 20921218), (31, 13497560), (40, 10460609), (62, 6748780), (124, 3374390), (127, 3294680), (155, 2699512), (248, 1687195), (254, 1647340), (310, 1349756), (508, 823670), (620, 674878), (635, 658936), (1016, 411835), (1240, 337439), (1270, 329468), (2540, 164734), (2657, 157480), (3937, 106280), (5080, 82367), (5314, 78740), (7874, 53140), (10628, 39370), (13285, 31496), (15748, 26570), (19685, 21256)]