25689230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 28729810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 509, 515, 721, 1018, 1030, 1442, 2545, 3563, 3605, 5047, 5090, 7126, 7210, 10094, 17815, 24941, 25235, 35630, 49882, 50470, 52427, 104854, 124705, 249410, 262135, 366989, 524270, 733978, 1834945, 2568923, 3669890, 5137846, 12844615, 25689230]

約数ペア:

[(1, 25689230), (2, 12844615), (5, 5137846), (7, 3669890), (10, 2568923), (14, 1834945), (35, 733978), (49, 524270), (70, 366989), (98, 262135), (103, 249410), (206, 124705), (245, 104854), (490, 52427), (509, 50470), (515, 49882), (721, 35630), (1018, 25235), (1030, 24941), (1442, 17815), (2545, 10094), (3563, 7210), (3605, 7126), (5047, 5090)]