71183860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1259}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 163840320

約数和(自身を除く): 92656460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1259, 1285, 2518, 2570, 2827, 5036, 5140, 5654, 6295, 11308, 12590, 13849, 14135, 25180, 27698, 28270, 55396, 56540, 69245, 138490, 276980, 323563, 647126, 1294252, 1617815, 3235630, 3559193, 6471260, 7118386, 14236772, 17795965, 35591930, 71183860]

約数ペア:

[(1, 71183860), (2, 35591930), (4, 17795965), (5, 14236772), (10, 7118386), (11, 6471260), (20, 3559193), (22, 3235630), (44, 1617815), (55, 1294252), (110, 647126), (220, 323563), (257, 276980), (514, 138490), (1028, 69245), (1259, 56540), (1285, 55396), (2518, 28270), (2570, 27698), (2827, 25180), (5036, 14135), (5140, 13849), (5654, 12590), (6295, 11308)]