199201640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{452731}}^1$

素因数の和:452753

約数の個数: 32

約数和(自身を含む): 488950560

約数和(自身を除く): 289748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 452731, 905462, 1810924, 2263655, 3621848, 4527310, 4980041, 9054620, 9960082, 18109240, 19920164, 24900205, 39840328, 49800410, 99600820, 199201640]

約数ペア:

[(1, 199201640), (2, 99600820), (4, 49800410), (5, 39840328), (8, 24900205), (10, 19920164), (11, 18109240), (20, 9960082), (22, 9054620), (40, 4980041), (44, 4527310), (55, 3621848), (88, 2263655), (110, 1810924), (220, 905462), (440, 452731)]