208280000

素因数分解:

$2^6\times 5^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 140

約数和(自身を含む): 533229312

約数和(自身を除く): 324949312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 125, 127, 160, 164, 200, 205, 250, 254, 320, 328, 400, 410, 500, 508, 625, 635, 656, 800, 820, 1000, 1016, 1025, 1250, 1270, 1312, 1600, 1640, 2000, 2032, 2050, 2500, 2540, 2624, 3175, 3280, 4000, 4064, 4100, 5000, 5080, 5125, 5207, 6350, 6560, 8000, 8128, 8200, 10000, 10160, 10250, 10414, 12700, 13120, 15875, 16400, 20000, 20320, 20500, 20828, 25400, 25625, 26035, 31750, 32800, 40000, 40640, 41000, 41656, 50800, 51250, 52070, 63500, 65600, 79375, 82000, 83312, 101600, 102500, 104140, 127000, 130175, 158750, 164000, 166624, 203200, 205000, 208280, 254000, 260350, 317500, 328000, 333248, 410000, 416560, 508000, 520700, 635000, 650875, 820000, 833120, 1016000, 1041400, 1270000, 1301750, 1640000, 1666240, 2082800, 2540000, 2603500, 3254375, 4165600, 5080000, 5207000, 6508750, 8331200, 10414000, 13017500, 20828000, 26035000, 41656000, 52070000, 104140000, 208280000]

約数ペア:

[(1, 208280000), (2, 104140000), (4, 52070000), (5, 41656000), (8, 26035000), (10, 20828000), (16, 13017500), (20, 10414000), (25, 8331200), (32, 6508750), (40, 5207000), (41, 5080000), (50, 4165600), (64, 3254375), (80, 2603500), (82, 2540000), (100, 2082800), (125, 1666240), (127, 1640000), (160, 1301750), (164, 1270000), (200, 1041400), (205, 1016000), (250, 833120), (254, 820000), (320, 650875), (328, 635000), (400, 520700), (410, 508000), (500, 416560), (508, 410000), (625, 333248), (635, 328000), (656, 317500), (800, 260350), (820, 254000), (1000, 208280), (1016, 205000), (1025, 203200), (1250, 166624), (1270, 164000), (1312, 158750), (1600, 130175), (1640, 127000), (2000, 104140), (2032, 102500), (2050, 101600), (2500, 83312), (2540, 82000), (2624, 79375), (3175, 65600), (3280, 63500), (4000, 52070), (4064, 51250), (4100, 50800), (5000, 41656), (5080, 41000), (5125, 40640), (5207, 40000), (6350, 32800), (6560, 31750), (8000, 26035), (8128, 25625), (8200, 25400), (10000, 20828), (10160, 20500), (10250, 20320), (10414, 20000), (12700, 16400), (13120, 15875)]