244997080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{31091}}^1$

素因数の和:31299

約数の個数: 32

約数和(自身を含む): 554059440

約数和(自身を除く): 309062360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 31091, 62182, 124364, 155455, 248728, 310910, 621820, 1243640, 6124927, 12249854, 24499708, 30624635, 48999416, 61249270, 122498540, 244997080]

約数ペア:

[(1, 244997080), (2, 122498540), (4, 61249270), (5, 48999416), (8, 30624635), (10, 24499708), (20, 12249854), (40, 6124927), (197, 1243640), (394, 621820), (788, 310910), (985, 248728), (1576, 155455), (1970, 124364), (3940, 62182), (7880, 31091)]