70000420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71429}}^1$

素因数の和:71452

約数の個数: 36

約数和(自身を含む): 171003420

約数和(自身を除く): 101003000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 71429, 142858, 285716, 357145, 500003, 714290, 1000006, 1428580, 2000012, 2500015, 3500021, 5000030, 7000042, 10000060, 14000084, 17500105, 35000210, 70000420]

約数ペア:

[(1, 70000420), (2, 35000210), (4, 17500105), (5, 14000084), (7, 10000060), (10, 7000042), (14, 5000030), (20, 3500021), (28, 2500015), (35, 2000012), (49, 1428580), (70, 1000006), (98, 714290), (140, 500003), (196, 357145), (245, 285716), (490, 142858), (980, 71429)]