2090620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 5100480

約数和(自身を除く): 3009860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 137, 140, 218, 274, 436, 545, 548, 685, 763, 959, 1090, 1370, 1526, 1918, 2180, 2740, 3052, 3815, 3836, 4795, 7630, 9590, 14933, 15260, 19180, 29866, 59732, 74665, 104531, 149330, 209062, 298660, 418124, 522655, 1045310, 2090620]

約数ペア:

[(1, 2090620), (2, 1045310), (4, 522655), (5, 418124), (7, 298660), (10, 209062), (14, 149330), (20, 104531), (28, 74665), (35, 59732), (70, 29866), (109, 19180), (137, 15260), (140, 14933), (218, 9590), (274, 7630), (436, 4795), (545, 3836), (548, 3815), (685, 3052), (763, 2740), (959, 2180), (1090, 1918), (1370, 1526)]