430550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 24

約数和(自身を含む): 818400

約数和(自身を除く): 387850

約数列:

[1, 2, 5, 10, 25, 50, 79, 109, 158, 218, 395, 545, 790, 1090, 1975, 2725, 3950, 5450, 8611, 17222, 43055, 86110, 215275, 430550]

約数ペア:

[(1, 430550), (2, 215275), (5, 86110), (10, 43055), (25, 17222), (50, 8611), (79, 5450), (109, 3950), (158, 2725), (218, 1975), (395, 1090), (545, 790)]