209436010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{21839}}^1$

素因数の和:21990

約数の個数: 32

約数和(自身を含む): 434004480

約数和(自身を除く): 224568470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 9590, 21839, 43678, 109195, 152873, 218390, 305746, 764365, 1528730, 2991943, 5983886, 14959715, 20943601, 29919430, 41887202, 104718005, 209436010]

約数ペア:

[(1, 209436010), (2, 104718005), (5, 41887202), (7, 29919430), (10, 20943601), (14, 14959715), (35, 5983886), (70, 2991943), (137, 1528730), (274, 764365), (685, 305746), (959, 218390), (1370, 152873), (1918, 109195), (4795, 43678), (9590, 21839)]