280055072

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{21503}}^1$

素因数の和:21561

約数の個数: 48

約数和(自身を含む): 617766912

約数和(自身を除く): 337711840

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1628, 3256, 6512, 13024, 21503, 43006, 86012, 172024, 236533, 344048, 473066, 688096, 795611, 946132, 1591222, 1892264, 3182444, 3784528, 6364888, 7569056, 8751721, 12729776, 17503442, 25459552, 35006884, 70013768, 140027536, 280055072]

約数ペア:

[(1, 280055072), (2, 140027536), (4, 70013768), (8, 35006884), (11, 25459552), (16, 17503442), (22, 12729776), (32, 8751721), (37, 7569056), (44, 6364888), (74, 3784528), (88, 3182444), (148, 1892264), (176, 1591222), (296, 946132), (352, 795611), (407, 688096), (592, 473066), (814, 344048), (1184, 236533), (1628, 172024), (3256, 86012), (6512, 43006), (13024, 21503)]