2521794940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{486833}}^1$

素因数の和:486886

約数の個数: 48

約数和(自身を含む): 6215896512

約数和(自身を除く): 3694101572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 486833, 973666, 1947332, 2434165, 3407831, 4868330, 6815662, 9736660, 13631324, 17039155, 18012821, 34078310, 36025642, 68156620, 72051284, 90064105, 126089747, 180128210, 252179494, 360256420, 504358988, 630448735, 1260897470, 2521794940]

約数ペア:

[(1, 2521794940), (2, 1260897470), (4, 630448735), (5, 504358988), (7, 360256420), (10, 252179494), (14, 180128210), (20, 126089747), (28, 90064105), (35, 72051284), (37, 68156620), (70, 36025642), (74, 34078310), (140, 18012821), (148, 17039155), (185, 13631324), (259, 9736660), (370, 6815662), (518, 4868330), (740, 3407831), (1036, 2434165), (1295, 1947332), (2590, 973666), (5180, 486833)]