239797180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{244691}}^1$

素因数の和:244714

約数の個数: 36

約数和(自身を含む): 585792648

約数和(自身を除く): 345995468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 244691, 489382, 978764, 1223455, 1712837, 2446910, 3425674, 4893820, 6851348, 8564185, 11989859, 17128370, 23979718, 34256740, 47959436, 59949295, 119898590, 239797180]

約数ペア:

[(1, 239797180), (2, 119898590), (4, 59949295), (5, 47959436), (7, 34256740), (10, 23979718), (14, 17128370), (20, 11989859), (28, 8564185), (35, 6851348), (49, 4893820), (70, 3425674), (98, 2446910), (140, 1712837), (196, 1223455), (245, 978764), (490, 489382), (980, 244691)]