208116700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 496624464

約数和(自身を除く): 288507764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 137, 220, 274, 275, 548, 550, 685, 1100, 1370, 1381, 1507, 2740, 2762, 3014, 3425, 5524, 6028, 6850, 6905, 7535, 13700, 13810, 15070, 15191, 27620, 30140, 30382, 34525, 37675, 60764, 69050, 75350, 75955, 138100, 150700, 151910, 189197, 303820, 378394, 379775, 756788, 759550, 945985, 1519100, 1891970, 2081167, 3783940, 4162334, 4729925, 8324668, 9459850, 10405835, 18919700, 20811670, 41623340, 52029175, 104058350, 208116700]

約数ペア:

[(1, 208116700), (2, 104058350), (4, 52029175), (5, 41623340), (10, 20811670), (11, 18919700), (20, 10405835), (22, 9459850), (25, 8324668), (44, 4729925), (50, 4162334), (55, 3783940), (100, 2081167), (110, 1891970), (137, 1519100), (220, 945985), (274, 759550), (275, 756788), (548, 379775), (550, 378394), (685, 303820), (1100, 189197), (1370, 151910), (1381, 150700), (1507, 138100), (2740, 75955), (2762, 75350), (3014, 69050), (3425, 60764), (5524, 37675), (6028, 34525), (6850, 30382), (6905, 30140), (7535, 27620), (13700, 15191), (13810, 15070)]