205657250

素因数分解:

$2^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{5521}}^1$

素因数の和:5687

約数の個数: 32

約数和(自身を含む): 387644400

約数和(自身を除く): 181987150

約数列:

[1, 2, 5, 10, 25, 50, 125, 149, 250, 298, 745, 1490, 3725, 5521, 7450, 11042, 18625, 27605, 37250, 55210, 138025, 276050, 690125, 822629, 1380250, 1645258, 4113145, 8226290, 20565725, 41131450, 102828625, 205657250]

約数ペア:

[(1, 205657250), (2, 102828625), (5, 41131450), (10, 20565725), (25, 8226290), (50, 4113145), (125, 1645258), (149, 1380250), (250, 822629), (298, 690125), (745, 276050), (1490, 138025), (3725, 55210), (5521, 37250), (7450, 27605), (11042, 18625)]