8399500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 18633888

約数和(自身を除く): 10234388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 157, 214, 250, 314, 428, 500, 535, 628, 785, 1070, 1570, 2140, 2675, 3140, 3925, 5350, 7850, 10700, 13375, 15700, 16799, 19625, 26750, 33598, 39250, 53500, 67196, 78500, 83995, 167990, 335980, 419975, 839950, 1679900, 2099875, 4199750, 8399500]

約数ペア:

[(1, 8399500), (2, 4199750), (4, 2099875), (5, 1679900), (10, 839950), (20, 419975), (25, 335980), (50, 167990), (100, 83995), (107, 78500), (125, 67196), (157, 53500), (214, 39250), (250, 33598), (314, 26750), (428, 19625), (500, 16799), (535, 15700), (628, 13375), (785, 10700), (1070, 7850), (1570, 5350), (2140, 3925), (2675, 3140)]