218945500

素因数分解:

$2^2\times 5^3\times {\mathrm{397}}^1\times {\mathrm{1103}}^1$

素因数の和:1519

約数の個数: 48

約数和(自身を含む): 479816064

約数和(自身を除く): 260870564

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 397, 500, 794, 1103, 1588, 1985, 2206, 3970, 4412, 5515, 7940, 9925, 11030, 19850, 22060, 27575, 39700, 49625, 55150, 99250, 110300, 137875, 198500, 275750, 437891, 551500, 875782, 1751564, 2189455, 4378910, 8757820, 10947275, 21894550, 43789100, 54736375, 109472750, 218945500]

約数ペア:

[(1, 218945500), (2, 109472750), (4, 54736375), (5, 43789100), (10, 21894550), (20, 10947275), (25, 8757820), (50, 4378910), (100, 2189455), (125, 1751564), (250, 875782), (397, 551500), (500, 437891), (794, 275750), (1103, 198500), (1588, 137875), (1985, 110300), (2206, 99250), (3970, 55150), (4412, 49625), (5515, 39700), (7940, 27575), (9925, 22060), (11030, 19850)]