128215430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{17783}}^1$

素因数の和:17900

約数の個数: 32

約数和(自身を含む): 266333184

約数和(自身を除く): 138117754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 17783, 35566, 88915, 124481, 177830, 248962, 622405, 1244810, 1831649, 3663298, 9158245, 12821543, 18316490, 25643086, 64107715, 128215430]

約数ペア:

[(1, 128215430), (2, 64107715), (5, 25643086), (7, 18316490), (10, 12821543), (14, 9158245), (35, 3663298), (70, 1831649), (103, 1244810), (206, 622405), (515, 248962), (721, 177830), (1030, 124481), (1442, 88915), (3605, 35566), (7210, 17783)]