402357740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 860055840

約数和(自身を除く): 457698100

約数列:

[1, 2, 4, 5, 10, 20, 101, 139, 202, 278, 404, 505, 556, 695, 1010, 1390, 1433, 2020, 2780, 2866, 5732, 7165, 14039, 14330, 28078, 28660, 56156, 70195, 140390, 144733, 199187, 280780, 289466, 398374, 578932, 723665, 796748, 995935, 1447330, 1991870, 2894660, 3983740, 20117887, 40235774, 80471548, 100589435, 201178870, 402357740]

約数ペア:

[(1, 402357740), (2, 201178870), (4, 100589435), (5, 80471548), (10, 40235774), (20, 20117887), (101, 3983740), (139, 2894660), (202, 1991870), (278, 1447330), (404, 995935), (505, 796748), (556, 723665), (695, 578932), (1010, 398374), (1390, 289466), (1433, 280780), (2020, 199187), (2780, 144733), (2866, 140390), (5732, 70195), (7165, 56156), (14039, 28660), (14330, 28078)]