1445660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 3184104

約数和(自身を除く): 1738444

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1681, 1763, 3362, 3526, 6724, 7052, 8405, 8815, 16810, 17630, 33620, 35260, 72283, 144566, 289132, 361415, 722830, 1445660]

約数ペア:

[(1, 1445660), (2, 722830), (4, 361415), (5, 289132), (10, 144566), (20, 72283), (41, 35260), (43, 33620), (82, 17630), (86, 16810), (164, 8815), (172, 8405), (205, 7052), (215, 6724), (410, 3526), (430, 3362), (820, 1763), (860, 1681)]