6978500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 16157232

約数和(自身を除く): 9178732

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 821, 850, 1642, 1700, 2125, 3284, 4105, 4250, 8210, 8500, 13957, 16420, 20525, 27914, 41050, 55828, 69785, 82100, 102625, 139570, 205250, 279140, 348925, 410500, 697850, 1395700, 1744625, 3489250, 6978500]

約数ペア:

[(1, 6978500), (2, 3489250), (4, 1744625), (5, 1395700), (10, 697850), (17, 410500), (20, 348925), (25, 279140), (34, 205250), (50, 139570), (68, 102625), (85, 82100), (100, 69785), (125, 55828), (170, 41050), (250, 27914), (340, 20525), (425, 16420), (500, 13957), (821, 8500), (850, 8210), (1642, 4250), (1700, 4105), (2125, 3284)]