210927500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:757

約数の個数: 120

約数和(自身を含む): 558946080

約数和(自身を除く): 348018580

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 140, 170, 175, 238, 250, 340, 350, 425, 476, 500, 595, 625, 700, 709, 850, 875, 1190, 1250, 1418, 1700, 1750, 2125, 2380, 2500, 2836, 2975, 3500, 3545, 4250, 4375, 4963, 5950, 7090, 8500, 8750, 9926, 10625, 11900, 12053, 14180, 14875, 17500, 17725, 19852, 21250, 24106, 24815, 29750, 35450, 42500, 48212, 49630, 59500, 60265, 70900, 74375, 84371, 88625, 99260, 120530, 124075, 148750, 168742, 177250, 241060, 248150, 297500, 301325, 337484, 354500, 421855, 443125, 496300, 602650, 620375, 843710, 886250, 1205300, 1240750, 1506625, 1687420, 1772500, 2109275, 2481500, 3013250, 3101875, 4218550, 6026500, 6203750, 7533125, 8437100, 10546375, 12407500, 15066250, 21092750, 30132500, 42185500, 52731875, 105463750, 210927500]

約数ペア:

[(1, 210927500), (2, 105463750), (4, 52731875), (5, 42185500), (7, 30132500), (10, 21092750), (14, 15066250), (17, 12407500), (20, 10546375), (25, 8437100), (28, 7533125), (34, 6203750), (35, 6026500), (50, 4218550), (68, 3101875), (70, 3013250), (85, 2481500), (100, 2109275), (119, 1772500), (125, 1687420), (140, 1506625), (170, 1240750), (175, 1205300), (238, 886250), (250, 843710), (340, 620375), (350, 602650), (425, 496300), (476, 443125), (500, 421855), (595, 354500), (625, 337484), (700, 301325), (709, 297500), (850, 248150), (875, 241060), (1190, 177250), (1250, 168742), (1418, 148750), (1700, 124075), (1750, 120530), (2125, 99260), (2380, 88625), (2500, 84371), (2836, 74375), (2975, 70900), (3500, 60265), (3545, 59500), (4250, 49630), (4375, 48212), (4963, 42500), (5950, 35450), (7090, 29750), (8500, 24815), (8750, 24106), (9926, 21250), (10625, 19852), (11900, 17725), (12053, 17500), (14180, 14875)]