520700000

素因数分解:

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

素因数の和:203

約数の個数: 144

約数和(自身を含む): 1322915328

約数和(自身を除く): 802215328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 125, 127, 160, 164, 200, 205, 250, 254, 328, 400, 410, 500, 508, 625, 635, 656, 800, 820, 1000, 1016, 1025, 1250, 1270, 1312, 1640, 2000, 2032, 2050, 2500, 2540, 3125, 3175, 3280, 4000, 4064, 4100, 5000, 5080, 5125, 5207, 6250, 6350, 6560, 8200, 10000, 10160, 10250, 10414, 12500, 12700, 15875, 16400, 20000, 20320, 20500, 20828, 25000, 25400, 25625, 26035, 31750, 32800, 41000, 41656, 50000, 50800, 51250, 52070, 63500, 79375, 82000, 83312, 100000, 101600, 102500, 104140, 127000, 128125, 130175, 158750, 164000, 166624, 205000, 208280, 254000, 256250, 260350, 317500, 396875, 410000, 416560, 508000, 512500, 520700, 635000, 650875, 793750, 820000, 833120, 1025000, 1041400, 1270000, 1301750, 1587500, 2050000, 2082800, 2540000, 2603500, 3175000, 3254375, 4100000, 4165600, 5207000, 6350000, 6508750, 10414000, 12700000, 13017500, 16271875, 20828000, 26035000, 32543750, 52070000, 65087500, 104140000, 130175000, 260350000, 520700000]

約数ペア:

[(1, 520700000), (2, 260350000), (4, 130175000), (5, 104140000), (8, 65087500), (10, 52070000), (16, 32543750), (20, 26035000), (25, 20828000), (32, 16271875), (40, 13017500), (41, 12700000), (50, 10414000), (80, 6508750), (82, 6350000), (100, 5207000), (125, 4165600), (127, 4100000), (160, 3254375), (164, 3175000), (200, 2603500), (205, 2540000), (250, 2082800), (254, 2050000), (328, 1587500), (400, 1301750), (410, 1270000), (500, 1041400), (508, 1025000), (625, 833120), (635, 820000), (656, 793750), (800, 650875), (820, 635000), (1000, 520700), (1016, 512500), (1025, 508000), (1250, 416560), (1270, 410000), (1312, 396875), (1640, 317500), (2000, 260350), (2032, 256250), (2050, 254000), (2500, 208280), (2540, 205000), (3125, 166624), (3175, 164000), (3280, 158750), (4000, 130175), (4064, 128125), (4100, 127000), (5000, 104140), (5080, 102500), (5125, 101600), (5207, 100000), (6250, 83312), (6350, 82000), (6560, 79375), (8200, 63500), (10000, 52070), (10160, 51250), (10250, 50800), (10414, 50000), (12500, 41656), (12700, 41000), (15875, 32800), (16400, 31750), (20000, 26035), (20320, 25625), (20500, 25400), (20828, 25000)]