51124780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21481}}^1$

素因数の和:21514

約数の個数: 48

約数和(自身を含む): 129923136

約数和(自身を除く): 78798356

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 21481, 42962, 85924, 107405, 150367, 214810, 300734, 365177, 429620, 601468, 730354, 751835, 1460708, 1503670, 1825885, 2556239, 3007340, 3651770, 5112478, 7303540, 10224956, 12781195, 25562390, 51124780]

約数ペア:

[(1, 51124780), (2, 25562390), (4, 12781195), (5, 10224956), (7, 7303540), (10, 5112478), (14, 3651770), (17, 3007340), (20, 2556239), (28, 1825885), (34, 1503670), (35, 1460708), (68, 751835), (70, 730354), (85, 601468), (119, 429620), (140, 365177), (170, 300734), (238, 214810), (340, 150367), (476, 107405), (595, 85924), (1190, 42962), (2380, 21481)]