1398053860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{59797}}^1$

素因数の和:59980

約数の個数: 48

約数和(自身を含む): 3375477504

約数和(自身を除く): 1977423644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 11690, 23380, 59797, 119594, 239188, 298985, 418579, 597970, 837158, 1195940, 1674316, 2092895, 4185790, 8371580, 9986099, 19972198, 39944396, 49930495, 69902693, 99860990, 139805386, 199721980, 279610772, 349513465, 699026930, 1398053860]

約数ペア:

[(1, 1398053860), (2, 699026930), (4, 349513465), (5, 279610772), (7, 199721980), (10, 139805386), (14, 99860990), (20, 69902693), (28, 49930495), (35, 39944396), (70, 19972198), (140, 9986099), (167, 8371580), (334, 4185790), (668, 2092895), (835, 1674316), (1169, 1195940), (1670, 837158), (2338, 597970), (3340, 418579), (4676, 298985), (5845, 239188), (11690, 119594), (23380, 59797)]