1930940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 4523904

約数和(自身を除く): 2592964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 131, 134, 220, 262, 268, 335, 524, 655, 670, 737, 1310, 1340, 1441, 1474, 2620, 2882, 2948, 3685, 5764, 7205, 7370, 8777, 14410, 14740, 17554, 28820, 35108, 43885, 87770, 96547, 175540, 193094, 386188, 482735, 965470, 1930940]

約数ペア:

[(1, 1930940), (2, 965470), (4, 482735), (5, 386188), (10, 193094), (11, 175540), (20, 96547), (22, 87770), (44, 43885), (55, 35108), (67, 28820), (110, 17554), (131, 14740), (134, 14410), (220, 8777), (262, 7370), (268, 7205), (335, 5764), (524, 3685), (655, 2948), (670, 2882), (737, 2620), (1310, 1474), (1340, 1441)]