169847720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 447849000

約数和(自身を除く): 278001280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 193, 196, 245, 280, 386, 392, 449, 490, 772, 898, 965, 980, 1351, 1544, 1796, 1930, 1960, 2245, 2702, 3143, 3592, 3860, 4490, 5404, 6286, 6755, 7720, 8980, 9457, 10808, 12572, 13510, 15715, 17960, 18914, 22001, 25144, 27020, 31430, 37828, 44002, 47285, 54040, 62860, 75656, 86657, 88004, 94570, 110005, 125720, 173314, 176008, 189140, 220010, 346628, 378280, 433285, 440020, 606599, 693256, 866570, 880040, 1213198, 1733140, 2426396, 3032995, 3466280, 4246193, 4852792, 6065990, 8492386, 12131980, 16984772, 21230965, 24263960, 33969544, 42461930, 84923860, 169847720]

約数ペア:

[(1, 169847720), (2, 84923860), (4, 42461930), (5, 33969544), (7, 24263960), (8, 21230965), (10, 16984772), (14, 12131980), (20, 8492386), (28, 6065990), (35, 4852792), (40, 4246193), (49, 3466280), (56, 3032995), (70, 2426396), (98, 1733140), (140, 1213198), (193, 880040), (196, 866570), (245, 693256), (280, 606599), (386, 440020), (392, 433285), (449, 378280), (490, 346628), (772, 220010), (898, 189140), (965, 176008), (980, 173314), (1351, 125720), (1544, 110005), (1796, 94570), (1930, 88004), (1960, 86657), (2245, 75656), (2702, 62860), (3143, 54040), (3592, 47285), (3860, 44002), (4490, 37828), (5404, 31430), (6286, 27020), (6755, 25144), (7720, 22001), (8980, 18914), (9457, 17960), (10808, 15715), (12572, 13510)]