939722980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{958901}}^1$

素因数の和:958924

約数の個数: 36

約数和(自身を含む): 2295611388

約数和(自身を除く): 1355888408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 958901, 1917802, 3835604, 4794505, 6712307, 9589010, 13424614, 19178020, 26849228, 33561535, 46986149, 67123070, 93972298, 134246140, 187944596, 234930745, 469861490, 939722980]

約数ペア:

[(1, 939722980), (2, 469861490), (4, 234930745), (5, 187944596), (7, 134246140), (10, 93972298), (14, 67123070), (20, 46986149), (28, 33561535), (35, 26849228), (49, 19178020), (70, 13424614), (98, 9589010), (140, 6712307), (196, 4794505), (245, 3835604), (490, 1917802), (980, 958901)]