207812920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 547473600

約数和(自身を除く): 339660680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 229, 245, 280, 392, 458, 463, 490, 916, 926, 980, 1145, 1603, 1832, 1852, 1960, 2290, 2315, 3206, 3241, 3704, 4580, 4630, 6412, 6482, 8015, 9160, 9260, 11221, 12824, 12964, 16030, 16205, 18520, 22442, 22687, 25928, 32060, 32410, 44884, 45374, 56105, 64120, 64820, 89768, 90748, 106027, 112210, 113435, 129640, 181496, 212054, 224420, 226870, 424108, 448840, 453740, 530135, 742189, 848216, 907480, 1060270, 1484378, 2120540, 2968756, 3710945, 4241080, 5195323, 5937512, 7421890, 10390646, 14843780, 20781292, 25976615, 29687560, 41562584, 51953230, 103906460, 207812920]

約数ペア:

[(1, 207812920), (2, 103906460), (4, 51953230), (5, 41562584), (7, 29687560), (8, 25976615), (10, 20781292), (14, 14843780), (20, 10390646), (28, 7421890), (35, 5937512), (40, 5195323), (49, 4241080), (56, 3710945), (70, 2968756), (98, 2120540), (140, 1484378), (196, 1060270), (229, 907480), (245, 848216), (280, 742189), (392, 530135), (458, 453740), (463, 448840), (490, 424108), (916, 226870), (926, 224420), (980, 212054), (1145, 181496), (1603, 129640), (1832, 113435), (1852, 112210), (1960, 106027), (2290, 90748), (2315, 89768), (3206, 64820), (3241, 64120), (3704, 56105), (4580, 45374), (4630, 44884), (6412, 32410), (6482, 32060), (8015, 25928), (9160, 22687), (9260, 22442), (11221, 18520), (12824, 16205), (12964, 16030)]