17078180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 41260800

約数和(自身を除く): 24182620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 613, 796, 995, 1226, 1393, 1990, 2452, 2786, 3065, 3980, 4291, 5572, 6130, 6965, 8582, 12260, 13930, 17164, 21455, 27860, 42910, 85820, 121987, 243974, 487948, 609935, 853909, 1219870, 1707818, 2439740, 3415636, 4269545, 8539090, 17078180]

約数ペア:

[(1, 17078180), (2, 8539090), (4, 4269545), (5, 3415636), (7, 2439740), (10, 1707818), (14, 1219870), (20, 853909), (28, 609935), (35, 487948), (70, 243974), (140, 121987), (199, 85820), (398, 42910), (613, 27860), (796, 21455), (995, 17164), (1226, 13930), (1393, 12260), (1990, 8582), (2452, 6965), (2786, 6130), (3065, 5572), (3980, 4291)]