78857380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19423}}^1$

素因数の和:19468

約数の個数: 48

約数和(自身を含む): 195793920

約数和(自身を除く): 116936540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 19423, 38846, 77692, 97115, 135961, 194230, 271922, 388460, 543844, 563267, 679805, 1126534, 1359610, 2253068, 2719220, 2816335, 3942869, 5632670, 7885738, 11265340, 15771476, 19714345, 39428690, 78857380]

約数ペア:

[(1, 78857380), (2, 39428690), (4, 19714345), (5, 15771476), (7, 11265340), (10, 7885738), (14, 5632670), (20, 3942869), (28, 2816335), (29, 2719220), (35, 2253068), (58, 1359610), (70, 1126534), (116, 679805), (140, 563267), (145, 543844), (203, 388460), (290, 271922), (406, 194230), (580, 135961), (812, 97115), (1015, 77692), (2030, 38846), (4060, 19423)]