2437640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 5535000

約数和(自身を除く): 3097360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 409, 596, 745, 818, 1192, 1490, 1636, 2045, 2980, 3272, 4090, 5960, 8180, 16360, 60941, 121882, 243764, 304705, 487528, 609410, 1218820, 2437640]

約数ペア:

[(1, 2437640), (2, 1218820), (4, 609410), (5, 487528), (8, 304705), (10, 243764), (20, 121882), (40, 60941), (149, 16360), (298, 8180), (409, 5960), (596, 4090), (745, 3272), (818, 2980), (1192, 2045), (1490, 1636)]