420631000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 1056369600

約数和(自身を除く): 635738600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 109, 125, 136, 170, 200, 218, 227, 250, 340, 425, 436, 454, 500, 545, 680, 850, 872, 908, 1000, 1090, 1135, 1700, 1816, 1853, 2125, 2180, 2270, 2725, 3400, 3706, 3859, 4250, 4360, 4540, 5450, 5675, 7412, 7718, 8500, 9080, 9265, 10900, 11350, 13625, 14824, 15436, 17000, 18530, 19295, 21800, 22700, 24743, 27250, 28375, 30872, 37060, 38590, 45400, 46325, 49486, 54500, 56750, 74120, 77180, 92650, 96475, 98972, 109000, 113500, 123715, 154360, 185300, 192950, 197944, 227000, 231625, 247430, 370600, 385900, 420631, 463250, 482375, 494860, 618575, 771800, 841262, 926500, 964750, 989720, 1237150, 1682524, 1853000, 1929500, 2103155, 2474300, 3092875, 3365048, 3859000, 4206310, 4948600, 6185750, 8412620, 10515775, 12371500, 16825240, 21031550, 24743000, 42063100, 52578875, 84126200, 105157750, 210315500, 420631000]

約数ペア:

[(1, 420631000), (2, 210315500), (4, 105157750), (5, 84126200), (8, 52578875), (10, 42063100), (17, 24743000), (20, 21031550), (25, 16825240), (34, 12371500), (40, 10515775), (50, 8412620), (68, 6185750), (85, 4948600), (100, 4206310), (109, 3859000), (125, 3365048), (136, 3092875), (170, 2474300), (200, 2103155), (218, 1929500), (227, 1853000), (250, 1682524), (340, 1237150), (425, 989720), (436, 964750), (454, 926500), (500, 841262), (545, 771800), (680, 618575), (850, 494860), (872, 482375), (908, 463250), (1000, 420631), (1090, 385900), (1135, 370600), (1700, 247430), (1816, 231625), (1853, 227000), (2125, 197944), (2180, 192950), (2270, 185300), (2725, 154360), (3400, 123715), (3706, 113500), (3859, 109000), (4250, 98972), (4360, 96475), (4540, 92650), (5450, 77180), (5675, 74120), (7412, 56750), (7718, 54500), (8500, 49486), (9080, 46325), (9265, 45400), (10900, 38590), (11350, 37060), (13625, 30872), (14824, 28375), (15436, 27250), (17000, 24743), (18530, 22700), (19295, 21800)]