27860420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28429}}^1$

素因数の和:28452

約数の個数: 36

約数和(自身を含む): 68061420

約数和(自身を除く): 40201000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28429, 56858, 113716, 142145, 199003, 284290, 398006, 568580, 796012, 995015, 1393021, 1990030, 2786042, 3980060, 5572084, 6965105, 13930210, 27860420]

約数ペア:

[(1, 27860420), (2, 13930210), (4, 6965105), (5, 5572084), (7, 3980060), (10, 2786042), (14, 1990030), (20, 1393021), (28, 995015), (35, 796012), (49, 568580), (70, 398006), (98, 284290), (140, 199003), (196, 142145), (245, 113716), (490, 56858), (980, 28429)]