2599940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{379}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 6384000

約数和(自身を除く): 3784060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 379, 490, 686, 758, 980, 1372, 1516, 1715, 1895, 2653, 3430, 3790, 5306, 6860, 7580, 10612, 13265, 18571, 26530, 37142, 53060, 74284, 92855, 129997, 185710, 259994, 371420, 519988, 649985, 1299970, 2599940]

約数ペア:

[(1, 2599940), (2, 1299970), (4, 649985), (5, 519988), (7, 371420), (10, 259994), (14, 185710), (20, 129997), (28, 92855), (35, 74284), (49, 53060), (70, 37142), (98, 26530), (140, 18571), (196, 13265), (245, 10612), (343, 7580), (379, 6860), (490, 5306), (686, 3790), (758, 3430), (980, 2653), (1372, 1895), (1516, 1715)]