243981320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{554503}}^1$

素因数の和:554525

約数の個数: 32

約数和(自身を含む): 598864320

約数和(自身を除く): 354883000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 554503, 1109006, 2218012, 2772515, 4436024, 5545030, 6099533, 11090060, 12199066, 22180120, 24398132, 30497665, 48796264, 60995330, 121990660, 243981320]

約数ペア:

[(1, 243981320), (2, 121990660), (4, 60995330), (5, 48796264), (8, 30497665), (10, 24398132), (11, 22180120), (20, 12199066), (22, 11090060), (40, 6099533), (44, 5545030), (55, 4436024), (88, 2772515), (110, 2218012), (220, 1109006), (440, 554503)]