70784420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72229}}^1$

素因数の和:72252

約数の個数: 36

約数和(自身を含む): 172918620

約数和(自身を除く): 102134200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72229, 144458, 288916, 361145, 505603, 722290, 1011206, 1444580, 2022412, 2528015, 3539221, 5056030, 7078442, 10112060, 14156884, 17696105, 35392210, 70784420]

約数ペア:

[(1, 70784420), (2, 35392210), (4, 17696105), (5, 14156884), (7, 10112060), (10, 7078442), (14, 5056030), (20, 3539221), (28, 2528015), (35, 2022412), (49, 1444580), (70, 1011206), (98, 722290), (140, 505603), (196, 361145), (245, 288916), (490, 144458), (980, 72229)]