199222720

素因数分解:

$2^6\times 5^1\times {\mathrm{622571}}^1$

素因数の和:622588

約数の個数: 28

約数和(自身を含む): 474399864

約数和(自身を除く): 275177144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 622571, 1245142, 2490284, 3112855, 4980568, 6225710, 9961136, 12451420, 19922272, 24902840, 39844544, 49805680, 99611360, 199222720]

約数ペア:

[(1, 199222720), (2, 99611360), (4, 49805680), (5, 39844544), (8, 24902840), (10, 19922272), (16, 12451420), (20, 9961136), (32, 6225710), (40, 4980568), (64, 3112855), (80, 2490284), (160, 1245142), (320, 622571)]