7120540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 17244864

約数和(自身を除く): 10124324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 281, 362, 562, 724, 905, 1124, 1267, 1405, 1810, 1967, 2534, 2810, 3620, 3934, 5068, 5620, 6335, 7868, 9835, 12670, 19670, 25340, 39340, 50861, 101722, 203444, 254305, 356027, 508610, 712054, 1017220, 1424108, 1780135, 3560270, 7120540]

約数ペア:

[(1, 7120540), (2, 3560270), (4, 1780135), (5, 1424108), (7, 1017220), (10, 712054), (14, 508610), (20, 356027), (28, 254305), (35, 203444), (70, 101722), (140, 50861), (181, 39340), (281, 25340), (362, 19670), (562, 12670), (724, 9835), (905, 7868), (1124, 6335), (1267, 5620), (1405, 5068), (1810, 3934), (1967, 3620), (2534, 2810)]