396568420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{1433}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 847769328

約数和(自身を除く): 451200908

約数列:

[1, 2, 4, 5, 10, 20, 101, 137, 202, 274, 404, 505, 548, 685, 1010, 1370, 1433, 2020, 2740, 2866, 5732, 7165, 13837, 14330, 27674, 28660, 55348, 69185, 138370, 144733, 196321, 276740, 289466, 392642, 578932, 723665, 785284, 981605, 1447330, 1963210, 2894660, 3926420, 19828421, 39656842, 79313684, 99142105, 198284210, 396568420]

約数ペア:

[(1, 396568420), (2, 198284210), (4, 99142105), (5, 79313684), (10, 39656842), (20, 19828421), (101, 3926420), (137, 2894660), (202, 1963210), (274, 1447330), (404, 981605), (505, 785284), (548, 723665), (685, 578932), (1010, 392642), (1370, 289466), (1433, 276740), (2020, 196321), (2740, 144733), (2866, 138370), (5732, 69185), (7165, 55348), (13837, 28660), (14330, 27674)]