188620520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{428683}}^1$

素因数の和:428705

約数の個数: 32

約数和(自身を含む): 462978720

約数和(自身を除く): 274358200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 428683, 857366, 1714732, 2143415, 3429464, 4286830, 4715513, 8573660, 9431026, 17147320, 18862052, 23577565, 37724104, 47155130, 94310260, 188620520]

約数ペア:

[(1, 188620520), (2, 94310260), (4, 47155130), (5, 37724104), (8, 23577565), (10, 18862052), (11, 17147320), (20, 9431026), (22, 8573660), (40, 4715513), (44, 4286830), (55, 3429464), (88, 2143415), (110, 1714732), (220, 857366), (440, 428683)]