1520450000

素因数分解:

$2^4\times 5^5\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 3766258944

約数和(自身を除く): 2245808944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 376, 400, 470, 500, 625, 647, 752, 940, 1000, 1175, 1250, 1294, 1880, 2000, 2350, 2500, 2588, 3125, 3235, 3760, 4700, 5000, 5176, 5875, 6250, 6470, 9400, 10000, 10352, 11750, 12500, 12940, 16175, 18800, 23500, 25000, 25880, 29375, 30409, 32350, 47000, 50000, 51760, 58750, 60818, 64700, 80875, 94000, 117500, 121636, 129400, 146875, 152045, 161750, 235000, 243272, 258800, 293750, 304090, 323500, 404375, 470000, 486544, 587500, 608180, 647000, 760225, 808750, 1175000, 1216360, 1294000, 1520450, 1617500, 2021875, 2350000, 2432720, 3040900, 3235000, 3801125, 4043750, 6081800, 6470000, 7602250, 8087500, 12163600, 15204500, 16175000, 19005625, 30409000, 32350000, 38011250, 60818000, 76022500, 95028125, 152045000, 190056250, 304090000, 380112500, 760225000, 1520450000]

約数ペア:

[(1, 1520450000), (2, 760225000), (4, 380112500), (5, 304090000), (8, 190056250), (10, 152045000), (16, 95028125), (20, 76022500), (25, 60818000), (40, 38011250), (47, 32350000), (50, 30409000), (80, 19005625), (94, 16175000), (100, 15204500), (125, 12163600), (188, 8087500), (200, 7602250), (235, 6470000), (250, 6081800), (376, 4043750), (400, 3801125), (470, 3235000), (500, 3040900), (625, 2432720), (647, 2350000), (752, 2021875), (940, 1617500), (1000, 1520450), (1175, 1294000), (1250, 1216360), (1294, 1175000), (1880, 808750), (2000, 760225), (2350, 647000), (2500, 608180), (2588, 587500), (3125, 486544), (3235, 470000), (3760, 404375), (4700, 323500), (5000, 304090), (5176, 293750), (5875, 258800), (6250, 243272), (6470, 235000), (9400, 161750), (10000, 152045), (10352, 146875), (11750, 129400), (12500, 121636), (12940, 117500), (16175, 94000), (18800, 80875), (23500, 64700), (25000, 60818), (25880, 58750), (29375, 51760), (30409, 50000), (32350, 47000)]