281209910

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1\times {\mathrm{977}}^1$

素因数の和:1360

約数の個数: 32

約数和(自身を含む): 513332640

約数和(自身を除く): 232122730

約数列:

[1, 2, 5, 10, 107, 214, 269, 535, 538, 977, 1070, 1345, 1954, 2690, 4885, 9770, 28783, 57566, 104539, 143915, 209078, 262813, 287830, 522695, 525626, 1045390, 1314065, 2628130, 28120991, 56241982, 140604955, 281209910]

約数ペア:

[(1, 281209910), (2, 140604955), (5, 56241982), (10, 28120991), (107, 2628130), (214, 1314065), (269, 1045390), (535, 525626), (538, 522695), (977, 287830), (1070, 262813), (1345, 209078), (1954, 143915), (2690, 104539), (4885, 57566), (9770, 28783)]