717220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 1774080

約数和(自身を除く): 1056860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 109, 140, 188, 218, 235, 329, 436, 470, 545, 658, 763, 940, 1090, 1316, 1526, 1645, 2180, 3052, 3290, 3815, 5123, 6580, 7630, 10246, 15260, 20492, 25615, 35861, 51230, 71722, 102460, 143444, 179305, 358610, 717220]

約数ペア:

[(1, 717220), (2, 358610), (4, 179305), (5, 143444), (7, 102460), (10, 71722), (14, 51230), (20, 35861), (28, 25615), (35, 20492), (47, 15260), (70, 10246), (94, 7630), (109, 6580), (140, 5123), (188, 3815), (218, 3290), (235, 3052), (329, 2180), (436, 1645), (470, 1526), (545, 1316), (658, 1090), (763, 940)]