2982940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 6703200

約数和(自身を除く): 3720260

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 139, 145, 148, 185, 278, 290, 370, 556, 580, 695, 740, 1073, 1390, 2146, 2780, 4031, 4292, 5143, 5365, 8062, 10286, 10730, 16124, 20155, 20572, 21460, 25715, 40310, 51430, 80620, 102860, 149147, 298294, 596588, 745735, 1491470, 2982940]

約数ペア:

[(1, 2982940), (2, 1491470), (4, 745735), (5, 596588), (10, 298294), (20, 149147), (29, 102860), (37, 80620), (58, 51430), (74, 40310), (116, 25715), (139, 21460), (145, 20572), (148, 20155), (185, 16124), (278, 10730), (290, 10286), (370, 8062), (556, 5365), (580, 5143), (695, 4292), (740, 4031), (1073, 2780), (1390, 2146)]