17189620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 41529600

約数和(自身を除く): 24339980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 617, 796, 995, 1234, 1393, 1990, 2468, 2786, 3085, 3980, 4319, 5572, 6170, 6965, 8638, 12340, 13930, 17276, 21595, 27860, 43190, 86380, 122783, 245566, 491132, 613915, 859481, 1227830, 1718962, 2455660, 3437924, 4297405, 8594810, 17189620]

約数ペア:

[(1, 17189620), (2, 8594810), (4, 4297405), (5, 3437924), (7, 2455660), (10, 1718962), (14, 1227830), (20, 859481), (28, 613915), (35, 491132), (70, 245566), (140, 122783), (199, 86380), (398, 43190), (617, 27860), (796, 21595), (995, 17276), (1234, 13930), (1393, 12340), (1990, 8638), (2468, 6965), (2786, 6170), (3085, 5572), (3980, 4319)]