275440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 700848

約数和(自身を除く): 425408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 313, 440, 626, 880, 1252, 1565, 2504, 3130, 3443, 5008, 6260, 6886, 12520, 13772, 17215, 25040, 27544, 34430, 55088, 68860, 137720, 275440]

約数ペア:

[(1, 275440), (2, 137720), (4, 68860), (5, 55088), (8, 34430), (10, 27544), (11, 25040), (16, 17215), (20, 13772), (22, 12520), (40, 6886), (44, 6260), (55, 5008), (80, 3443), (88, 3130), (110, 2504), (176, 1565), (220, 1252), (313, 880), (440, 626)]