199164400

素因数分解:

$2^4\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1601}}^1$

素因数の和:1930

約数の個数: 60

約数和(自身を含む): 480330864

約数和(自身を除く): 281166464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 311, 400, 622, 1244, 1555, 1601, 2488, 3110, 3202, 4976, 6220, 6404, 7775, 8005, 12440, 12808, 15550, 16010, 24880, 25616, 31100, 32020, 40025, 62200, 64040, 80050, 124400, 128080, 160100, 320200, 497911, 640400, 995822, 1991644, 2489555, 3983288, 4979110, 7966576, 9958220, 12447775, 19916440, 24895550, 39832880, 49791100, 99582200, 199164400]

約数ペア:

[(1, 199164400), (2, 99582200), (4, 49791100), (5, 39832880), (8, 24895550), (10, 19916440), (16, 12447775), (20, 9958220), (25, 7966576), (40, 4979110), (50, 3983288), (80, 2489555), (100, 1991644), (200, 995822), (311, 640400), (400, 497911), (622, 320200), (1244, 160100), (1555, 128080), (1601, 124400), (2488, 80050), (3110, 64040), (3202, 62200), (4976, 40025), (6220, 32020), (6404, 31100), (7775, 25616), (8005, 24880), (12440, 16010), (12808, 15550)]