287551220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1307051}}^1$

素因数の和:1307071

約数の個数: 24

約数和(自身を含む): 658754208

約数和(自身を除く): 371202988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1307051, 2614102, 5228204, 6535255, 13070510, 14377561, 26141020, 28755122, 57510244, 71887805, 143775610, 287551220]

約数ペア:

[(1, 287551220), (2, 143775610), (4, 71887805), (5, 57510244), (10, 28755122), (11, 26141020), (20, 14377561), (22, 13070510), (44, 6535255), (55, 5228204), (110, 2614102), (220, 1307051)]