9873220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 23950080

約数和(自身を除く): 14076860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 647, 763, 1090, 1294, 1526, 2180, 2588, 3052, 3235, 3815, 4529, 6470, 7630, 9058, 12940, 15260, 18116, 22645, 45290, 70523, 90580, 141046, 282092, 352615, 493661, 705230, 987322, 1410460, 1974644, 2468305, 4936610, 9873220]

約数ペア:

[(1, 9873220), (2, 4936610), (4, 2468305), (5, 1974644), (7, 1410460), (10, 987322), (14, 705230), (20, 493661), (28, 352615), (35, 282092), (70, 141046), (109, 90580), (140, 70523), (218, 45290), (436, 22645), (545, 18116), (647, 15260), (763, 12940), (1090, 9058), (1294, 7630), (1526, 6470), (2180, 4529), (2588, 3815), (3052, 3235)]