157439180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191999}}^1$

素因数の和:192049

約数の個数: 24

約数和(自身を含む): 338688000

約数和(自身を除く): 181248820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 191999, 383998, 767996, 959995, 1919990, 3839980, 7871959, 15743918, 31487836, 39359795, 78719590, 157439180]

約数ペア:

[(1, 157439180), (2, 78719590), (4, 39359795), (5, 31487836), (10, 15743918), (20, 7871959), (41, 3839980), (82, 1919990), (164, 959995), (205, 767996), (410, 383998), (820, 191999)]