345784180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{352841}}^1$

素因数の和:352864

約数の個数: 36

約数和(自身を含む): 844703748

約数和(自身を除く): 498919568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 352841, 705682, 1411364, 1764205, 2469887, 3528410, 4939774, 7056820, 9879548, 12349435, 17289209, 24698870, 34578418, 49397740, 69156836, 86446045, 172892090, 345784180]

約数ペア:

[(1, 345784180), (2, 172892090), (4, 86446045), (5, 69156836), (7, 49397740), (10, 34578418), (14, 24698870), (20, 17289209), (28, 12349435), (35, 9879548), (49, 7056820), (70, 4939774), (98, 3528410), (140, 2469887), (196, 1764205), (245, 1411364), (490, 705682), (980, 352841)]