2522660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 6230784

約数和(自身を除く): 3708124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 487, 518, 740, 974, 1036, 1295, 1948, 2435, 2590, 3409, 4870, 5180, 6818, 9740, 13636, 17045, 18019, 34090, 36038, 68180, 72076, 90095, 126133, 180190, 252266, 360380, 504532, 630665, 1261330, 2522660]

約数ペア:

[(1, 2522660), (2, 1261330), (4, 630665), (5, 504532), (7, 360380), (10, 252266), (14, 180190), (20, 126133), (28, 90095), (35, 72076), (37, 68180), (70, 36038), (74, 34090), (140, 18019), (148, 17045), (185, 13636), (259, 9740), (370, 6818), (487, 5180), (518, 4870), (740, 3409), (974, 2590), (1036, 2435), (1295, 1948)]