217982940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1847}}^1$

素因数の和:2147

約数の個数: 96

約数和(自身を含む): 700406784

約数和(自身を除く): 482423844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 281, 420, 562, 843, 1124, 1405, 1686, 1847, 1967, 2810, 3372, 3694, 3934, 4215, 5541, 5620, 5901, 7388, 7868, 8430, 9235, 9835, 11082, 11802, 12929, 16860, 18470, 19670, 22164, 23604, 25858, 27705, 29505, 36940, 38787, 39340, 51716, 55410, 59010, 64645, 77574, 110820, 118020, 129290, 155148, 193935, 258580, 387870, 519007, 775740, 1038014, 1557021, 2076028, 2595035, 3114042, 3633049, 5190070, 6228084, 7266098, 7785105, 10380140, 10899147, 14532196, 15570210, 18165245, 21798294, 31140420, 36330490, 43596588, 54495735, 72660980, 108991470, 217982940]

約数ペア:

[(1, 217982940), (2, 108991470), (3, 72660980), (4, 54495735), (5, 43596588), (6, 36330490), (7, 31140420), (10, 21798294), (12, 18165245), (14, 15570210), (15, 14532196), (20, 10899147), (21, 10380140), (28, 7785105), (30, 7266098), (35, 6228084), (42, 5190070), (60, 3633049), (70, 3114042), (84, 2595035), (105, 2076028), (140, 1557021), (210, 1038014), (281, 775740), (420, 519007), (562, 387870), (843, 258580), (1124, 193935), (1405, 155148), (1686, 129290), (1847, 118020), (1967, 110820), (2810, 77574), (3372, 64645), (3694, 59010), (3934, 55410), (4215, 51716), (5541, 39340), (5620, 38787), (5901, 36940), (7388, 29505), (7868, 27705), (8430, 25858), (9235, 23604), (9835, 22164), (11082, 19670), (11802, 18470), (12929, 16860)]