268166980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{219809}}^1$

素因数の和:219879

約数の個数: 24

約数和(自身を含む): 572385240

約数和(自身を除く): 304218260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 219809, 439618, 879236, 1099045, 2198090, 4396180, 13408349, 26816698, 53633396, 67041745, 134083490, 268166980]

約数ペア:

[(1, 268166980), (2, 134083490), (4, 67041745), (5, 53633396), (10, 26816698), (20, 13408349), (61, 4396180), (122, 2198090), (244, 1099045), (305, 879236), (610, 439618), (1220, 219809)]