215973340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{981697}}^1$

素因数の和:981717

約数の個数: 24

約数和(自身を含む): 494775792

約数和(自身を除く): 278802452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 981697, 1963394, 3926788, 4908485, 9816970, 10798667, 19633940, 21597334, 43194668, 53993335, 107986670, 215973340]

約数ペア:

[(1, 215973340), (2, 107986670), (4, 53993335), (5, 43194668), (10, 21597334), (11, 19633940), (20, 10798667), (22, 9816970), (44, 4908485), (55, 3926788), (110, 1963394), (220, 981697)]