1427876780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1229}}^1\times {\mathrm{5281}}^1$

素因数の和:6530

約数の個数: 48

約数和(自身を含む): 3274417440

約数和(自身を除く): 1846540660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1229, 2458, 4916, 5281, 6145, 10562, 12290, 13519, 21124, 24580, 26405, 27038, 52810, 54076, 58091, 67595, 105620, 116182, 135190, 232364, 270380, 290455, 580910, 1161820, 6490349, 12980698, 25961396, 32451745, 64903490, 71393839, 129806980, 142787678, 285575356, 356969195, 713938390, 1427876780]

約数ペア:

[(1, 1427876780), (2, 713938390), (4, 356969195), (5, 285575356), (10, 142787678), (11, 129806980), (20, 71393839), (22, 64903490), (44, 32451745), (55, 25961396), (110, 12980698), (220, 6490349), (1229, 1161820), (2458, 580910), (4916, 290455), (5281, 270380), (6145, 232364), (10562, 135190), (12290, 116182), (13519, 105620), (21124, 67595), (24580, 58091), (26405, 54076), (27038, 52810)]