1997200

素因数分解:

$2^4\times 5^2\times {\mathrm{4993}}^1$

素因数の和:5011

約数の個数: 30

約数和(自身を含む): 4799234

約数和(自身を除く): 2802034

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4993, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 124825, 199720, 249650, 399440, 499300, 998600, 1997200]

約数ペア:

[(1, 1997200), (2, 998600), (4, 499300), (5, 399440), (8, 249650), (10, 199720), (16, 124825), (20, 99860), (25, 79888), (40, 49930), (50, 39944), (80, 24965), (100, 19972), (200, 9986), (400, 4993)]