217967000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 539922240

約数和(自身を除く): 321955240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 43, 50, 74, 86, 100, 125, 137, 148, 172, 185, 200, 215, 250, 274, 296, 344, 370, 430, 500, 548, 685, 740, 860, 925, 1000, 1075, 1096, 1370, 1480, 1591, 1720, 1850, 2150, 2740, 3182, 3425, 3700, 4300, 4625, 5069, 5375, 5480, 5891, 6364, 6850, 7400, 7955, 8600, 9250, 10138, 10750, 11782, 12728, 13700, 15910, 17125, 18500, 20276, 21500, 23564, 25345, 27400, 29455, 31820, 34250, 37000, 39775, 40552, 43000, 47128, 50690, 58910, 63640, 68500, 79550, 101380, 117820, 126725, 137000, 147275, 159100, 198875, 202760, 217967, 235640, 253450, 294550, 318200, 397750, 435934, 506900, 589100, 633625, 736375, 795500, 871868, 1013800, 1089835, 1178200, 1267250, 1472750, 1591000, 1743736, 2179670, 2534500, 2945500, 4359340, 5069000, 5449175, 5891000, 8718680, 10898350, 21796700, 27245875, 43593400, 54491750, 108983500, 217967000]

約数ペア:

[(1, 217967000), (2, 108983500), (4, 54491750), (5, 43593400), (8, 27245875), (10, 21796700), (20, 10898350), (25, 8718680), (37, 5891000), (40, 5449175), (43, 5069000), (50, 4359340), (74, 2945500), (86, 2534500), (100, 2179670), (125, 1743736), (137, 1591000), (148, 1472750), (172, 1267250), (185, 1178200), (200, 1089835), (215, 1013800), (250, 871868), (274, 795500), (296, 736375), (344, 633625), (370, 589100), (430, 506900), (500, 435934), (548, 397750), (685, 318200), (740, 294550), (860, 253450), (925, 235640), (1000, 217967), (1075, 202760), (1096, 198875), (1370, 159100), (1480, 147275), (1591, 137000), (1720, 126725), (1850, 117820), (2150, 101380), (2740, 79550), (3182, 68500), (3425, 63640), (3700, 58910), (4300, 50690), (4625, 47128), (5069, 43000), (5375, 40552), (5480, 39775), (5891, 37000), (6364, 34250), (6850, 31820), (7400, 29455), (7955, 27400), (8600, 25345), (9250, 23564), (10138, 21500), (10750, 20276), (11782, 18500), (12728, 17125), (13700, 15910)]