1250398400

素因数分解:

$2^6\times 5^2\times {\mathrm{197}}^1\times {\mathrm{3967}}^1$

素因数の和:4186

約数の個数: 84

約数和(自身を含む): 3093159168

約数和(自身を除く): 1842760768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 197, 200, 320, 394, 400, 788, 800, 985, 1576, 1600, 1970, 3152, 3940, 3967, 4925, 6304, 7880, 7934, 9850, 12608, 15760, 15868, 19700, 19835, 31520, 31736, 39400, 39670, 63040, 63472, 78800, 79340, 99175, 126944, 157600, 158680, 198350, 253888, 315200, 317360, 396700, 634720, 781499, 793400, 1269440, 1562998, 1586800, 3125996, 3173600, 3907495, 6251992, 6347200, 7814990, 12503984, 15629980, 19537475, 25007968, 31259960, 39074950, 50015936, 62519920, 78149900, 125039840, 156299800, 250079680, 312599600, 625199200, 1250398400]

約数ペア:

[(1, 1250398400), (2, 625199200), (4, 312599600), (5, 250079680), (8, 156299800), (10, 125039840), (16, 78149900), (20, 62519920), (25, 50015936), (32, 39074950), (40, 31259960), (50, 25007968), (64, 19537475), (80, 15629980), (100, 12503984), (160, 7814990), (197, 6347200), (200, 6251992), (320, 3907495), (394, 3173600), (400, 3125996), (788, 1586800), (800, 1562998), (985, 1269440), (1576, 793400), (1600, 781499), (1970, 634720), (3152, 396700), (3940, 317360), (3967, 315200), (4925, 253888), (6304, 198350), (7880, 158680), (7934, 157600), (9850, 126944), (12608, 99175), (15760, 79340), (15868, 78800), (19700, 63472), (19835, 63040), (31520, 39670), (31736, 39400)]