203464700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{28657}}^1$

素因数の和:28742

約数の個数: 36

約数和(自身を含む): 447752592

約数和(自身を除く): 244287892

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 28657, 57314, 114628, 143285, 286570, 573140, 716425, 1432850, 2034647, 2865700, 4069294, 8138588, 10173235, 20346470, 40692940, 50866175, 101732350, 203464700]

約数ペア:

[(1, 203464700), (2, 101732350), (4, 50866175), (5, 40692940), (10, 20346470), (20, 10173235), (25, 8138588), (50, 4069294), (71, 2865700), (100, 2034647), (142, 1432850), (284, 716425), (355, 573140), (710, 286570), (1420, 143285), (1775, 114628), (3550, 57314), (7100, 28657)]