251240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 617760

約数和(自身を除く): 366520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 571, 1142, 2284, 2855, 4568, 5710, 6281, 11420, 12562, 22840, 25124, 31405, 50248, 62810, 125620, 251240]

約数ペア:

[(1, 251240), (2, 125620), (4, 62810), (5, 50248), (8, 31405), (10, 25124), (11, 22840), (20, 12562), (22, 11420), (40, 6281), (44, 5710), (55, 4568), (88, 2855), (110, 2284), (220, 1142), (440, 571)]