3228340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 7225344

約数和(自身を除く): 3997004

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 127, 155, 164, 205, 254, 310, 410, 508, 620, 635, 820, 1270, 1271, 2540, 2542, 3937, 5084, 5207, 6355, 7874, 10414, 12710, 15748, 19685, 20828, 25420, 26035, 39370, 52070, 78740, 104140, 161417, 322834, 645668, 807085, 1614170, 3228340]

約数ペア:

[(1, 3228340), (2, 1614170), (4, 807085), (5, 645668), (10, 322834), (20, 161417), (31, 104140), (41, 78740), (62, 52070), (82, 39370), (124, 26035), (127, 25420), (155, 20828), (164, 19685), (205, 15748), (254, 12710), (310, 10414), (410, 7874), (508, 6355), (620, 5207), (635, 5084), (820, 3937), (1270, 2542), (1271, 2540)]