2218500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 7665840

約数和(自身を除く): 5447340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 29, 30, 34, 36, 45, 50, 51, 58, 60, 68, 75, 85, 87, 90, 100, 102, 116, 125, 145, 150, 153, 170, 174, 180, 204, 225, 250, 255, 261, 290, 300, 306, 340, 348, 375, 425, 435, 450, 493, 500, 510, 522, 580, 612, 725, 750, 765, 850, 870, 900, 986, 1020, 1044, 1125, 1275, 1305, 1450, 1479, 1500, 1530, 1700, 1740, 1972, 2125, 2175, 2250, 2465, 2550, 2610, 2900, 2958, 3060, 3625, 3825, 4250, 4350, 4437, 4500, 4930, 5100, 5220, 5916, 6375, 6525, 7250, 7395, 7650, 8500, 8700, 8874, 9860, 10875, 12325, 12750, 13050, 14500, 14790, 15300, 17748, 19125, 21750, 22185, 24650, 25500, 26100, 29580, 32625, 36975, 38250, 43500, 44370, 49300, 61625, 65250, 73950, 76500, 88740, 110925, 123250, 130500, 147900, 184875, 221850, 246500, 369750, 443700, 554625, 739500, 1109250, 2218500]

約数ペア:

[(1, 2218500), (2, 1109250), (3, 739500), (4, 554625), (5, 443700), (6, 369750), (9, 246500), (10, 221850), (12, 184875), (15, 147900), (17, 130500), (18, 123250), (20, 110925), (25, 88740), (29, 76500), (30, 73950), (34, 65250), (36, 61625), (45, 49300), (50, 44370), (51, 43500), (58, 38250), (60, 36975), (68, 32625), (75, 29580), (85, 26100), (87, 25500), (90, 24650), (100, 22185), (102, 21750), (116, 19125), (125, 17748), (145, 15300), (150, 14790), (153, 14500), (170, 13050), (174, 12750), (180, 12325), (204, 10875), (225, 9860), (250, 8874), (255, 8700), (261, 8500), (290, 7650), (300, 7395), (306, 7250), (340, 6525), (348, 6375), (375, 5916), (425, 5220), (435, 5100), (450, 4930), (493, 4500), (500, 4437), (510, 4350), (522, 4250), (580, 3825), (612, 3625), (725, 3060), (750, 2958), (765, 2900), (850, 2610), (870, 2550), (900, 2465), (986, 2250), (1020, 2175), (1044, 2125), (1125, 1972), (1275, 1740), (1305, 1700), (1450, 1530), (1479, 1500)]