18718000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 120

約数和(自身を含む): 52925184

約数和(自身を除く): 34207184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 191, 196, 200, 245, 250, 280, 350, 382, 392, 400, 490, 500, 560, 700, 764, 784, 875, 955, 980, 1000, 1225, 1337, 1400, 1528, 1750, 1910, 1960, 2000, 2450, 2674, 2800, 3056, 3500, 3820, 3920, 4775, 4900, 5348, 6125, 6685, 7000, 7640, 9359, 9550, 9800, 10696, 12250, 13370, 14000, 15280, 18718, 19100, 19600, 21392, 23875, 24500, 26740, 33425, 37436, 38200, 46795, 47750, 49000, 53480, 66850, 74872, 76400, 93590, 95500, 98000, 106960, 133700, 149744, 167125, 187180, 191000, 233975, 267400, 334250, 374360, 382000, 467950, 534800, 668500, 748720, 935900, 1169875, 1337000, 1871800, 2339750, 2674000, 3743600, 4679500, 9359000, 18718000]

約数ペア:

[(1, 18718000), (2, 9359000), (4, 4679500), (5, 3743600), (7, 2674000), (8, 2339750), (10, 1871800), (14, 1337000), (16, 1169875), (20, 935900), (25, 748720), (28, 668500), (35, 534800), (40, 467950), (49, 382000), (50, 374360), (56, 334250), (70, 267400), (80, 233975), (98, 191000), (100, 187180), (112, 167125), (125, 149744), (140, 133700), (175, 106960), (191, 98000), (196, 95500), (200, 93590), (245, 76400), (250, 74872), (280, 66850), (350, 53480), (382, 49000), (392, 47750), (400, 46795), (490, 38200), (500, 37436), (560, 33425), (700, 26740), (764, 24500), (784, 23875), (875, 21392), (955, 19600), (980, 19100), (1000, 18718), (1225, 15280), (1337, 14000), (1400, 13370), (1528, 12250), (1750, 10696), (1910, 9800), (1960, 9550), (2000, 9359), (2450, 7640), (2674, 7000), (2800, 6685), (3056, 6125), (3500, 5348), (3820, 4900), (3920, 4775)]