51470020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{853}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 123959808

約数和(自身を除く): 72489788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 853, 862, 1706, 1724, 2155, 3017, 3412, 4265, 4310, 5971, 6034, 8530, 8620, 11942, 12068, 15085, 17060, 23884, 29855, 30170, 59710, 60340, 119420, 367643, 735286, 1470572, 1838215, 2573501, 3676430, 5147002, 7352860, 10294004, 12867505, 25735010, 51470020]

約数ペア:

[(1, 51470020), (2, 25735010), (4, 12867505), (5, 10294004), (7, 7352860), (10, 5147002), (14, 3676430), (20, 2573501), (28, 1838215), (35, 1470572), (70, 735286), (140, 367643), (431, 119420), (853, 60340), (862, 59710), (1706, 30170), (1724, 29855), (2155, 23884), (3017, 17060), (3412, 15085), (4265, 12068), (4310, 11942), (5971, 8620), (6034, 8530)]