131518520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1949}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 339768000

約数和(自身を除く): 208249480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 1949, 2410, 3374, 3898, 4820, 6748, 7796, 8435, 9640, 9745, 13496, 13643, 15592, 16870, 19490, 27286, 33740, 38980, 54572, 67480, 68215, 77960, 109144, 136430, 272860, 469709, 545720, 939418, 1878836, 2348545, 3287963, 3757672, 4697090, 6575926, 9394180, 13151852, 16439815, 18788360, 26303704, 32879630, 65759260, 131518520]

約数ペア:

[(1, 131518520), (2, 65759260), (4, 32879630), (5, 26303704), (7, 18788360), (8, 16439815), (10, 13151852), (14, 9394180), (20, 6575926), (28, 4697090), (35, 3757672), (40, 3287963), (56, 2348545), (70, 1878836), (140, 939418), (241, 545720), (280, 469709), (482, 272860), (964, 136430), (1205, 109144), (1687, 77960), (1928, 68215), (1949, 67480), (2410, 54572), (3374, 38980), (3898, 33740), (4820, 27286), (6748, 19490), (7796, 16870), (8435, 15592), (9640, 13643), (9745, 13496)]