42999920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 104606400

約数和(自身を除く): 61606480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 73, 74, 80, 146, 148, 185, 199, 292, 296, 365, 370, 398, 584, 592, 730, 740, 796, 995, 1168, 1460, 1480, 1592, 1990, 2701, 2920, 2960, 3184, 3980, 5402, 5840, 7363, 7960, 10804, 13505, 14527, 14726, 15920, 21608, 27010, 29054, 29452, 36815, 43216, 54020, 58108, 58904, 72635, 73630, 108040, 116216, 117808, 145270, 147260, 216080, 232432, 290540, 294520, 537499, 581080, 589040, 1074998, 1162160, 2149996, 2687495, 4299992, 5374990, 8599984, 10749980, 21499960, 42999920]

約数ペア:

[(1, 42999920), (2, 21499960), (4, 10749980), (5, 8599984), (8, 5374990), (10, 4299992), (16, 2687495), (20, 2149996), (37, 1162160), (40, 1074998), (73, 589040), (74, 581080), (80, 537499), (146, 294520), (148, 290540), (185, 232432), (199, 216080), (292, 147260), (296, 145270), (365, 117808), (370, 116216), (398, 108040), (584, 73630), (592, 72635), (730, 58904), (740, 58108), (796, 54020), (995, 43216), (1168, 36815), (1460, 29452), (1480, 29054), (1592, 27010), (1990, 21608), (2701, 15920), (2920, 14726), (2960, 14527), (3184, 13505), (3980, 10804), (5402, 7960), (5840, 7363)]