149723620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{37619}}^1$

素因数の和:37827

約数の個数: 24

約数和(自身を含む): 316008000

約数和(自身を除く): 166284380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 37619, 75238, 150476, 188095, 376190, 752380, 7486181, 14972362, 29944724, 37430905, 74861810, 149723620]

約数ペア:

[(1, 149723620), (2, 74861810), (4, 37430905), (5, 29944724), (10, 14972362), (20, 7486181), (199, 752380), (398, 376190), (796, 188095), (995, 150476), (1990, 75238), (3980, 37619)]