243241240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{552821}}^1$

素因数の和:552843

約数の個数: 32

約数和(自身を含む): 597047760

約数和(自身を除く): 353806520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 552821, 1105642, 2211284, 2764105, 4422568, 5528210, 6081031, 11056420, 12162062, 22112840, 24324124, 30405155, 48648248, 60810310, 121620620, 243241240]

約数ペア:

[(1, 243241240), (2, 121620620), (4, 60810310), (5, 48648248), (8, 30405155), (10, 24324124), (11, 22112840), (20, 12162062), (22, 11056420), (40, 6081031), (44, 5528210), (55, 4422568), (88, 2764105), (110, 2211284), (220, 1105642), (440, 552821)]