249040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 633888

約数和(自身を除く): 384848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 283, 440, 566, 880, 1132, 1415, 2264, 2830, 3113, 4528, 5660, 6226, 11320, 12452, 15565, 22640, 24904, 31130, 49808, 62260, 124520, 249040]

約数ペア:

[(1, 249040), (2, 124520), (4, 62260), (5, 49808), (8, 31130), (10, 24904), (11, 22640), (16, 15565), (20, 12452), (22, 11320), (40, 6226), (44, 5660), (55, 4528), (80, 3113), (88, 2830), (110, 2264), (176, 1415), (220, 1132), (283, 880), (440, 566)]