279075280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1033}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 710829504

約数和(自身を除く): 431754224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 307, 440, 614, 880, 1033, 1228, 1535, 2066, 2456, 3070, 3377, 4132, 4912, 5165, 6140, 6754, 8264, 10330, 11363, 12280, 13508, 16528, 16885, 20660, 22726, 24560, 27016, 33770, 41320, 45452, 54032, 56815, 67540, 82640, 90904, 113630, 135080, 181808, 227260, 270160, 317131, 454520, 634262, 909040, 1268524, 1585655, 2537048, 3171310, 3488441, 5074096, 6342620, 6976882, 12685240, 13953764, 17442205, 25370480, 27907528, 34884410, 55815056, 69768820, 139537640, 279075280]

約数ペア:

[(1, 279075280), (2, 139537640), (4, 69768820), (5, 55815056), (8, 34884410), (10, 27907528), (11, 25370480), (16, 17442205), (20, 13953764), (22, 12685240), (40, 6976882), (44, 6342620), (55, 5074096), (80, 3488441), (88, 3171310), (110, 2537048), (176, 1585655), (220, 1268524), (307, 909040), (440, 634262), (614, 454520), (880, 317131), (1033, 270160), (1228, 227260), (1535, 181808), (2066, 135080), (2456, 113630), (3070, 90904), (3377, 82640), (4132, 67540), (4912, 56815), (5165, 54032), (6140, 45452), (6754, 41320), (8264, 33770), (10330, 27016), (11363, 24560), (12280, 22726), (13508, 20660), (16528, 16885)]