1395061640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{25037}}^1$

素因数の和:25254

約数の個数: 64

約数和(自身を含む): 3605472000

約数和(自身を除く): 2210410360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5572, 6965, 7960, 11144, 13930, 25037, 27860, 50074, 55720, 100148, 125185, 175259, 200296, 250370, 350518, 500740, 701036, 876295, 1001480, 1402072, 1752590, 3505180, 4982363, 7010360, 9964726, 19929452, 24911815, 34876541, 39858904, 49823630, 69753082, 99647260, 139506164, 174382705, 199294520, 279012328, 348765410, 697530820, 1395061640]

約数ペア:

[(1, 1395061640), (2, 697530820), (4, 348765410), (5, 279012328), (7, 199294520), (8, 174382705), (10, 139506164), (14, 99647260), (20, 69753082), (28, 49823630), (35, 39858904), (40, 34876541), (56, 24911815), (70, 19929452), (140, 9964726), (199, 7010360), (280, 4982363), (398, 3505180), (796, 1752590), (995, 1402072), (1393, 1001480), (1592, 876295), (1990, 701036), (2786, 500740), (3980, 350518), (5572, 250370), (6965, 200296), (7960, 175259), (11144, 125185), (13930, 100148), (25037, 55720), (27860, 50074)]