253880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 624240

約数和(自身を除く): 370360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 577, 1154, 2308, 2885, 4616, 5770, 6347, 11540, 12694, 23080, 25388, 31735, 50776, 63470, 126940, 253880]

約数ペア:

[(1, 253880), (2, 126940), (4, 63470), (5, 50776), (8, 31735), (10, 25388), (11, 23080), (20, 12694), (22, 11540), (40, 6347), (44, 5770), (55, 4616), (88, 2885), (110, 2308), (220, 1154), (440, 577)]