394845920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{50363}}^1$

素因数の和:50392

約数の個数: 72

約数和(自身を含む): 1085142744

約数和(自身を除く): 690296824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 50363, 100726, 201452, 251815, 352541, 402904, 503630, 705082, 805808, 1007260, 1410164, 1611616, 1762705, 2014520, 2467787, 2820328, 3525410, 4029040, 4935574, 5640656, 7050820, 8058080, 9871148, 11281312, 12338935, 14101640, 19742296, 24677870, 28203280, 39484592, 49355740, 56406560, 78969184, 98711480, 197422960, 394845920]

約数ペア:

[(1, 394845920), (2, 197422960), (4, 98711480), (5, 78969184), (7, 56406560), (8, 49355740), (10, 39484592), (14, 28203280), (16, 24677870), (20, 19742296), (28, 14101640), (32, 12338935), (35, 11281312), (40, 9871148), (49, 8058080), (56, 7050820), (70, 5640656), (80, 4935574), (98, 4029040), (112, 3525410), (140, 2820328), (160, 2467787), (196, 2014520), (224, 1762705), (245, 1611616), (280, 1410164), (392, 1007260), (490, 805808), (560, 705082), (784, 503630), (980, 402904), (1120, 352541), (1568, 251815), (1960, 201452), (3920, 100726), (7840, 50363)]