129130000

素因数分解:

$2^4\times 5^4\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 100

約数和(自身を含む): 322006300

約数和(自身を除く): 192876300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 125, 148, 185, 200, 250, 296, 349, 370, 400, 500, 592, 625, 698, 740, 925, 1000, 1250, 1396, 1480, 1745, 1850, 2000, 2500, 2792, 2960, 3490, 3700, 4625, 5000, 5584, 6980, 7400, 8725, 9250, 10000, 12913, 13960, 14800, 17450, 18500, 23125, 25826, 27920, 34900, 37000, 43625, 46250, 51652, 64565, 69800, 74000, 87250, 92500, 103304, 129130, 139600, 174500, 185000, 206608, 218125, 258260, 322825, 349000, 370000, 436250, 516520, 645650, 698000, 872500, 1033040, 1291300, 1614125, 1745000, 2582600, 3228250, 3490000, 5165200, 6456500, 8070625, 12913000, 16141250, 25826000, 32282500, 64565000, 129130000]

約数ペア:

[(1, 129130000), (2, 64565000), (4, 32282500), (5, 25826000), (8, 16141250), (10, 12913000), (16, 8070625), (20, 6456500), (25, 5165200), (37, 3490000), (40, 3228250), (50, 2582600), (74, 1745000), (80, 1614125), (100, 1291300), (125, 1033040), (148, 872500), (185, 698000), (200, 645650), (250, 516520), (296, 436250), (349, 370000), (370, 349000), (400, 322825), (500, 258260), (592, 218125), (625, 206608), (698, 185000), (740, 174500), (925, 139600), (1000, 129130), (1250, 103304), (1396, 92500), (1480, 87250), (1745, 74000), (1850, 69800), (2000, 64565), (2500, 51652), (2792, 46250), (2960, 43625), (3490, 37000), (3700, 34900), (4625, 27920), (5000, 25826), (5584, 23125), (6980, 18500), (7400, 17450), (8725, 14800), (9250, 13960), (10000, 12913)]