170400400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9968

約数の個数: 60

約数和(自身を含む): 418949872

約数和(自身を除く): 248549472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 8600, 9907, 17200, 19814, 39628, 49535, 79256, 99070, 158512, 198140, 247675, 396280, 426001, 495350, 792560, 852002, 990700, 1704004, 1981400, 2130005, 3408008, 3962800, 4260010, 6816016, 8520020, 10650025, 17040040, 21300050, 34080080, 42600100, 85200200, 170400400]

約数ペア:

[(1, 170400400), (2, 85200200), (4, 42600100), (5, 34080080), (8, 21300050), (10, 17040040), (16, 10650025), (20, 8520020), (25, 6816016), (40, 4260010), (43, 3962800), (50, 3408008), (80, 2130005), (86, 1981400), (100, 1704004), (172, 990700), (200, 852002), (215, 792560), (344, 495350), (400, 426001), (430, 396280), (688, 247675), (860, 198140), (1075, 158512), (1720, 99070), (2150, 79256), (3440, 49535), (4300, 39628), (8600, 19814), (9907, 17200)]