8369020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 19404000

約数和(自身を除く): 11034980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 349, 436, 545, 698, 1090, 1199, 1396, 1745, 2180, 2398, 3490, 3839, 4796, 5995, 6980, 7678, 11990, 15356, 19195, 23980, 38041, 38390, 76082, 76780, 152164, 190205, 380410, 418451, 760820, 836902, 1673804, 2092255, 4184510, 8369020]

約数ペア:

[(1, 8369020), (2, 4184510), (4, 2092255), (5, 1673804), (10, 836902), (11, 760820), (20, 418451), (22, 380410), (44, 190205), (55, 152164), (109, 76780), (110, 76082), (218, 38390), (220, 38041), (349, 23980), (436, 19195), (545, 15356), (698, 11990), (1090, 7678), (1199, 6980), (1396, 5995), (1745, 4796), (2180, 3839), (2398, 3490)]