1017220

素因数分解:

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

素因数の和:471

約数の個数: 24

約数和(自身を含む): 2155608

約数和(自身を除く): 1138388

約数列:

[1, 2, 4, 5, 10, 20, 181, 281, 362, 562, 724, 905, 1124, 1405, 1810, 2810, 3620, 5620, 50861, 101722, 203444, 254305, 508610, 1017220]

約数ペア:

[(1, 1017220), (2, 508610), (4, 254305), (5, 203444), (10, 101722), (20, 50861), (181, 5620), (281, 3620), (362, 2810), (562, 1810), (724, 1405), (905, 1124)]