2108807860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1\times {\mathrm{3067}}^1$

素因数の和:4216

約数の個数: 48

約数和(自身を含む): 4576965120

約数和(自身を除く): 2468157260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1109, 2218, 3067, 4436, 5545, 6134, 11090, 12268, 15335, 22180, 30670, 34379, 61340, 68758, 95077, 137516, 171895, 190154, 343790, 380308, 475385, 687580, 950770, 1901540, 3401303, 6802606, 13605212, 17006515, 34013030, 68026060, 105440393, 210880786, 421761572, 527201965, 1054403930, 2108807860]

約数ペア:

[(1, 2108807860), (2, 1054403930), (4, 527201965), (5, 421761572), (10, 210880786), (20, 105440393), (31, 68026060), (62, 34013030), (124, 17006515), (155, 13605212), (310, 6802606), (620, 3401303), (1109, 1901540), (2218, 950770), (3067, 687580), (4436, 475385), (5545, 380308), (6134, 343790), (11090, 190154), (12268, 171895), (15335, 137516), (22180, 95077), (30670, 68758), (34379, 61340)]