729080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1657}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 1790640

約数和(自身を除く): 1061560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1657, 3314, 6628, 8285, 13256, 16570, 18227, 33140, 36454, 66280, 72908, 91135, 145816, 182270, 364540, 729080]

約数ペア:

[(1, 729080), (2, 364540), (4, 182270), (5, 145816), (8, 91135), (10, 72908), (11, 66280), (20, 36454), (22, 33140), (40, 18227), (44, 16570), (55, 13256), (88, 8285), (110, 6628), (220, 3314), (440, 1657)]