149818520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 342366480

約数和(自身を除く): 192547960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 743, 1420, 1486, 2840, 2972, 3715, 5041, 5944, 7430, 10082, 14860, 20164, 25205, 29720, 40328, 50410, 52753, 100820, 105506, 201640, 211012, 263765, 422024, 527530, 1055060, 2110120, 3745463, 7490926, 14981852, 18727315, 29963704, 37454630, 74909260, 149818520]

約数ペア:

[(1, 149818520), (2, 74909260), (4, 37454630), (5, 29963704), (8, 18727315), (10, 14981852), (20, 7490926), (40, 3745463), (71, 2110120), (142, 1055060), (284, 527530), (355, 422024), (568, 263765), (710, 211012), (743, 201640), (1420, 105506), (1486, 100820), (2840, 52753), (2972, 50410), (3715, 40328), (5041, 29720), (5944, 25205), (7430, 20164), (10082, 14860)]