208539320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{473953}}^1$

素因数の和:473975

約数の個数: 32

約数和(自身を含む): 511870320

約数和(自身を除く): 303331000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 473953, 947906, 1895812, 2369765, 3791624, 4739530, 5213483, 9479060, 10426966, 18958120, 20853932, 26067415, 41707864, 52134830, 104269660, 208539320]

約数ペア:

[(1, 208539320), (2, 104269660), (4, 52134830), (5, 41707864), (8, 26067415), (10, 20853932), (11, 18958120), (20, 10426966), (22, 9479060), (40, 5213483), (44, 4739530), (55, 3791624), (88, 2369765), (110, 1895812), (220, 947906), (440, 473953)]