222720520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{506183}}^1$

素因数の和:506205

約数の個数: 32

約数和(自身を含む): 546678720

約数和(自身を除く): 323958200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 506183, 1012366, 2024732, 2530915, 4049464, 5061830, 5568013, 10123660, 11136026, 20247320, 22272052, 27840065, 44544104, 55680130, 111360260, 222720520]

約数ペア:

[(1, 222720520), (2, 111360260), (4, 55680130), (5, 44544104), (8, 27840065), (10, 22272052), (11, 20247320), (20, 11136026), (22, 10123660), (40, 5568013), (44, 5061830), (55, 4049464), (88, 2530915), (110, 2024732), (220, 1012366), (440, 506183)]