7997180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 17581536

約数和(自身を除く): 9584356

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 107, 148, 185, 202, 214, 370, 404, 428, 505, 535, 740, 1010, 1070, 2020, 2140, 3737, 3959, 7474, 7918, 10807, 14948, 15836, 18685, 19795, 21614, 37370, 39590, 43228, 54035, 74740, 79180, 108070, 216140, 399859, 799718, 1599436, 1999295, 3998590, 7997180]

約数ペア:

[(1, 7997180), (2, 3998590), (4, 1999295), (5, 1599436), (10, 799718), (20, 399859), (37, 216140), (74, 108070), (101, 79180), (107, 74740), (148, 54035), (185, 43228), (202, 39590), (214, 37370), (370, 21614), (404, 19795), (428, 18685), (505, 15836), (535, 14948), (740, 10807), (1010, 7918), (1070, 7474), (2020, 3959), (2140, 3737)]