85417780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 213621408

約数和(自身を除く): 128203628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2027, 2107, 3010, 4054, 4214, 6020, 8108, 8428, 10135, 10535, 14189, 20270, 21070, 28378, 40540, 42140, 56756, 70945, 87161, 99323, 141890, 174322, 198646, 283780, 348644, 397292, 435805, 496615, 610127, 871610, 993230, 1220254, 1743220, 1986460, 2440508, 3050635, 4270889, 6101270, 8541778, 12202540, 17083556, 21354445, 42708890, 85417780]

約数ペア:

[(1, 85417780), (2, 42708890), (4, 21354445), (5, 17083556), (7, 12202540), (10, 8541778), (14, 6101270), (20, 4270889), (28, 3050635), (35, 2440508), (43, 1986460), (49, 1743220), (70, 1220254), (86, 993230), (98, 871610), (140, 610127), (172, 496615), (196, 435805), (215, 397292), (245, 348644), (301, 283780), (430, 198646), (490, 174322), (602, 141890), (860, 99323), (980, 87161), (1204, 70945), (1505, 56756), (2027, 42140), (2107, 40540), (3010, 28378), (4054, 21070), (4214, 20270), (6020, 14189), (8108, 10535), (8428, 10135)]