218365940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28961}}^1$

素因数の和:29012

約数の個数: 48

約数和(自身を含む): 510889680

約数和(自身を除く): 292523740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 28961, 57922, 115844, 144805, 289610, 376493, 579220, 752986, 839869, 1505972, 1679738, 1882465, 3359476, 3764930, 4199345, 7529860, 8398690, 10918297, 16797380, 21836594, 43673188, 54591485, 109182970, 218365940]

約数ペア:

[(1, 218365940), (2, 109182970), (4, 54591485), (5, 43673188), (10, 21836594), (13, 16797380), (20, 10918297), (26, 8398690), (29, 7529860), (52, 4199345), (58, 3764930), (65, 3359476), (116, 1882465), (130, 1679738), (145, 1505972), (260, 839869), (290, 752986), (377, 579220), (580, 376493), (754, 289610), (1508, 144805), (1885, 115844), (3770, 57922), (7540, 28961)]