28439200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1910

約数の個数: 72

約数和(自身を含む): 73120320

約数和(自身を除く): 44681120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1871, 1900, 3040, 3742, 3800, 7484, 7600, 9355, 14968, 15200, 18710, 29936, 35549, 37420, 46775, 59872, 71098, 74840, 93550, 142196, 149680, 177745, 187100, 284392, 299360, 355490, 374200, 568784, 710980, 748400, 888725, 1137568, 1421960, 1496800, 1777450, 2843920, 3554900, 5687840, 7109800, 14219600, 28439200]

約数ペア:

[(1, 28439200), (2, 14219600), (4, 7109800), (5, 5687840), (8, 3554900), (10, 2843920), (16, 1777450), (19, 1496800), (20, 1421960), (25, 1137568), (32, 888725), (38, 748400), (40, 710980), (50, 568784), (76, 374200), (80, 355490), (95, 299360), (100, 284392), (152, 187100), (160, 177745), (190, 149680), (200, 142196), (304, 93550), (380, 74840), (400, 71098), (475, 59872), (608, 46775), (760, 37420), (800, 35549), (950, 29936), (1520, 18710), (1871, 15200), (1900, 14968), (3040, 9355), (3742, 7600), (3800, 7484)]