196556980

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{25931}}^1$

素因数の和:26319

約数の個数: 24

約数和(自身を含む): 413874720

約数和(自身を除く): 217317740

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 25931, 51862, 103724, 129655, 259310, 518620, 9827849, 19655698, 39311396, 49139245, 98278490, 196556980]

約数ペア:

[(1, 196556980), (2, 98278490), (4, 49139245), (5, 39311396), (10, 19655698), (20, 9827849), (379, 518620), (758, 259310), (1516, 129655), (1895, 103724), (3790, 51862), (7580, 25931)]