331067440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2018

約数の個数: 80

約数和(自身を含む): 844160256

約数和(自身を除く): 513092816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 422, 440, 844, 880, 1055, 1688, 1783, 2110, 2321, 3376, 3566, 4220, 4642, 7132, 8440, 8915, 9284, 11605, 14264, 16880, 17830, 18568, 19613, 23210, 28528, 35660, 37136, 39226, 46420, 71320, 78452, 92840, 98065, 142640, 156904, 185680, 196130, 313808, 376213, 392260, 752426, 784520, 1504852, 1569040, 1881065, 3009704, 3762130, 4138343, 6019408, 7524260, 8276686, 15048520, 16553372, 20691715, 30097040, 33106744, 41383430, 66213488, 82766860, 165533720, 331067440]

約数ペア:

[(1, 331067440), (2, 165533720), (4, 82766860), (5, 66213488), (8, 41383430), (10, 33106744), (11, 30097040), (16, 20691715), (20, 16553372), (22, 15048520), (40, 8276686), (44, 7524260), (55, 6019408), (80, 4138343), (88, 3762130), (110, 3009704), (176, 1881065), (211, 1569040), (220, 1504852), (422, 784520), (440, 752426), (844, 392260), (880, 376213), (1055, 313808), (1688, 196130), (1783, 185680), (2110, 156904), (2321, 142640), (3376, 98065), (3566, 92840), (4220, 78452), (4642, 71320), (7132, 46420), (8440, 39226), (8915, 37136), (9284, 35660), (11605, 28528), (14264, 23210), (16880, 19613), (17830, 18568)]