1427900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 3150840

約数和(自身を除く): 1722940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 131, 218, 262, 436, 524, 545, 655, 1090, 1310, 2180, 2620, 2725, 3275, 5450, 6550, 10900, 13100, 14279, 28558, 57116, 71395, 142790, 285580, 356975, 713950, 1427900]

約数ペア:

[(1, 1427900), (2, 713950), (4, 356975), (5, 285580), (10, 142790), (20, 71395), (25, 57116), (50, 28558), (100, 14279), (109, 13100), (131, 10900), (218, 6550), (262, 5450), (436, 3275), (524, 2725), (545, 2620), (655, 2180), (1090, 1310)]