204400315

素因数分解:

$5^1\times 7^2\times {\mathrm{834287}}^1$

素因数の和:834306

約数の個数: 12

約数和(自身を含む): 285326496

約数和(自身を除く): 80926181

約数列:

[1, 5, 7, 35, 49, 245, 834287, 4171435, 5840009, 29200045, 40880063, 204400315]

約数ペア:

[(1, 204400315), (5, 40880063), (7, 29200045), (35, 5840009), (49, 4171435), (245, 834287)]