1400420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1429}}^1$

素因数の和:1452

約数の個数: 36

約数和(自身を含む): 3423420

約数和(自身を除く): 2023000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1429, 2858, 5716, 7145, 10003, 14290, 20006, 28580, 40012, 50015, 70021, 100030, 140042, 200060, 280084, 350105, 700210, 1400420]

約数ペア:

[(1, 1400420), (2, 700210), (4, 350105), (5, 280084), (7, 200060), (10, 140042), (14, 100030), (20, 70021), (28, 50015), (35, 40012), (49, 28580), (70, 20006), (98, 14290), (140, 10003), (196, 7145), (245, 5716), (490, 2858), (980, 1429)]