1205781940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{498257}}^1$

素因数の和:498288

約数の個数: 36

約数和(自身を含む): 2783269188

約数和(自身を除く): 1577487248

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 498257, 996514, 1993028, 2491285, 4982570, 5480827, 9965140, 10961654, 21923308, 27404135, 54808270, 60289097, 109616540, 120578194, 241156388, 301445485, 602890970, 1205781940]

約数ペア:

[(1, 1205781940), (2, 602890970), (4, 301445485), (5, 241156388), (10, 120578194), (11, 109616540), (20, 60289097), (22, 54808270), (44, 27404135), (55, 21923308), (110, 10961654), (121, 9965140), (220, 5480827), (242, 4982570), (484, 2491285), (605, 1993028), (1210, 996514), (2420, 498257)]