199940900

素因数分解:

$2^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{4639}}^1$

素因数の和:5084

約数の個数: 36

約数和(自身を含む): 434972160

約数和(自身を除く): 235031260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 431, 862, 1724, 2155, 4310, 4639, 8620, 9278, 10775, 18556, 21550, 23195, 43100, 46390, 92780, 115975, 231950, 463900, 1999409, 3998818, 7997636, 9997045, 19994090, 39988180, 49985225, 99970450, 199940900]

約数ペア:

[(1, 199940900), (2, 99970450), (4, 49985225), (5, 39988180), (10, 19994090), (20, 9997045), (25, 7997636), (50, 3998818), (100, 1999409), (431, 463900), (862, 231950), (1724, 115975), (2155, 92780), (4310, 46390), (4639, 43100), (8620, 23195), (9278, 21550), (10775, 18556)]