82571860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 203825160

約数和(自身を除く): 121253300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 773, 980, 1090, 1526, 1546, 2180, 3052, 3092, 3815, 3865, 5341, 5411, 7630, 7730, 10682, 10822, 15260, 15460, 21364, 21644, 26705, 27055, 37877, 53410, 54110, 75754, 84257, 106820, 108220, 151508, 168514, 189385, 337028, 378770, 421285, 589799, 757540, 842570, 1179598, 1685140, 2359196, 2948995, 4128593, 5897990, 8257186, 11795980, 16514372, 20642965, 41285930, 82571860]

約数ペア:

[(1, 82571860), (2, 41285930), (4, 20642965), (5, 16514372), (7, 11795980), (10, 8257186), (14, 5897990), (20, 4128593), (28, 2948995), (35, 2359196), (49, 1685140), (70, 1179598), (98, 842570), (109, 757540), (140, 589799), (196, 421285), (218, 378770), (245, 337028), (436, 189385), (490, 168514), (545, 151508), (763, 108220), (773, 106820), (980, 84257), (1090, 75754), (1526, 54110), (1546, 53410), (2180, 37877), (3052, 27055), (3092, 26705), (3815, 21644), (3865, 21364), (5341, 15460), (5411, 15260), (7630, 10822), (7730, 10682)]