450585980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21937}}^1$

素因数の和:22038

約数の個数: 48

約数和(自身を含む): 1031963520

約数和(自身を除く): 581377540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 21937, 43874, 87748, 109685, 219370, 285181, 438740, 570362, 1140724, 1425905, 1733023, 2851810, 3466046, 5703620, 6932092, 8665115, 17330230, 22529299, 34660460, 45058598, 90117196, 112646495, 225292990, 450585980]

約数ペア:

[(1, 450585980), (2, 225292990), (4, 112646495), (5, 90117196), (10, 45058598), (13, 34660460), (20, 22529299), (26, 17330230), (52, 8665115), (65, 6932092), (79, 5703620), (130, 3466046), (158, 2851810), (260, 1733023), (316, 1425905), (395, 1140724), (790, 570362), (1027, 438740), (1580, 285181), (2054, 219370), (4108, 109685), (5135, 87748), (10270, 43874), (20540, 21937)]