1314940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 3104640

約数和(自身を除く): 1789700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 139, 172, 215, 220, 278, 430, 473, 556, 695, 860, 946, 1390, 1529, 1892, 2365, 2780, 3058, 4730, 5977, 6116, 7645, 9460, 11954, 15290, 23908, 29885, 30580, 59770, 65747, 119540, 131494, 262988, 328735, 657470, 1314940]

約数ペア:

[(1, 1314940), (2, 657470), (4, 328735), (5, 262988), (10, 131494), (11, 119540), (20, 65747), (22, 59770), (43, 30580), (44, 29885), (55, 23908), (86, 15290), (110, 11954), (139, 9460), (172, 7645), (215, 6116), (220, 5977), (278, 4730), (430, 3058), (473, 2780), (556, 2365), (695, 1892), (860, 1529), (946, 1390)]