1261820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9013}}^1$

素因数の和:9029

約数の個数: 24

約数和(自身を含む): 3028704

約数和(自身を除く): 1766884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9013, 18026, 36052, 45065, 63091, 90130, 126182, 180260, 252364, 315455, 630910, 1261820]

約数ペア:

[(1, 1261820), (2, 630910), (4, 315455), (5, 252364), (7, 180260), (10, 126182), (14, 90130), (20, 63091), (28, 45065), (35, 36052), (70, 18026), (140, 9013)]