265220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 567000

約数和(自身を除く): 301780

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 445, 596, 745, 890, 1490, 1780, 2980, 13261, 26522, 53044, 66305, 132610, 265220]

約数ペア:

[(1, 265220), (2, 132610), (4, 66305), (5, 53044), (10, 26522), (20, 13261), (89, 2980), (149, 1780), (178, 1490), (298, 890), (356, 745), (445, 596)]