205120810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{1459}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 391677120

約数和(自身を除く): 186556310

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 827, 1459, 1654, 2918, 4135, 7295, 8270, 14059, 14590, 24803, 28118, 49606, 70295, 124015, 140590, 248030, 1206593, 2413186, 6032965, 12065930, 20512081, 41024162, 102560405, 205120810]

約数ペア:

[(1, 205120810), (2, 102560405), (5, 41024162), (10, 20512081), (17, 12065930), (34, 6032965), (85, 2413186), (170, 1206593), (827, 248030), (1459, 140590), (1654, 124015), (2918, 70295), (4135, 49606), (7295, 28118), (8270, 24803), (14059, 14590)]