3871790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 7905600

約数和(自身を除く): 4033810

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 130, 145, 158, 169, 290, 338, 377, 395, 754, 790, 845, 1027, 1690, 1885, 2054, 2291, 3770, 4582, 4901, 5135, 9802, 10270, 11455, 13351, 22910, 24505, 26702, 29783, 49010, 59566, 66755, 133510, 148915, 297830, 387179, 774358, 1935895, 3871790]

約数ペア:

[(1, 3871790), (2, 1935895), (5, 774358), (10, 387179), (13, 297830), (26, 148915), (29, 133510), (58, 66755), (65, 59566), (79, 49010), (130, 29783), (145, 26702), (158, 24505), (169, 22910), (290, 13351), (338, 11455), (377, 10270), (395, 9802), (754, 5135), (790, 4901), (845, 4582), (1027, 3770), (1690, 2291), (1885, 2054)]