1020020540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{662351}}^1$

素因数の和:662378

約数の個数: 48

約数和(自身を含む): 2670603264

約数和(自身を除く): 1650582724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 662351, 1324702, 2649404, 3311755, 4636457, 6623510, 7285861, 9272914, 13247020, 14571722, 18545828, 23182285, 29143444, 36429305, 46364570, 51001027, 72858610, 92729140, 102002054, 145717220, 204004108, 255005135, 510010270, 1020020540]

約数ペア:

[(1, 1020020540), (2, 510010270), (4, 255005135), (5, 204004108), (7, 145717220), (10, 102002054), (11, 92729140), (14, 72858610), (20, 51001027), (22, 46364570), (28, 36429305), (35, 29143444), (44, 23182285), (55, 18545828), (70, 14571722), (77, 13247020), (110, 9272914), (140, 7285861), (154, 6623510), (220, 4636457), (308, 3311755), (385, 2649404), (770, 1324702), (1540, 662351)]