1801642010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{249881}}^1$

素因数の和:249998

約数の個数: 32

約数和(自身を含む): 3742232832

約数和(自身を除く): 1940590822

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 249881, 499762, 1249405, 1749167, 2498810, 3498334, 8745835, 17491670, 25737743, 51475486, 128688715, 180164201, 257377430, 360328402, 900821005, 1801642010]

約数ペア:

[(1, 1801642010), (2, 900821005), (5, 360328402), (7, 257377430), (10, 180164201), (14, 128688715), (35, 51475486), (70, 25737743), (103, 17491670), (206, 8745835), (515, 3498334), (721, 2498810), (1030, 1749167), (1442, 1249405), (3605, 499762), (7210, 249881)]