201457720

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{6871}}^1$

素因数の和:7615

約数の個数: 32

約数和(自身を含む): 453964320

約数和(自身を除く): 252506600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2932, 3665, 5864, 6871, 7330, 13742, 14660, 27484, 29320, 34355, 54968, 68710, 137420, 274840, 5036443, 10072886, 20145772, 25182215, 40291544, 50364430, 100728860, 201457720]

約数ペア:

[(1, 201457720), (2, 100728860), (4, 50364430), (5, 40291544), (8, 25182215), (10, 20145772), (20, 10072886), (40, 5036443), (733, 274840), (1466, 137420), (2932, 68710), (3665, 54968), (5864, 34355), (6871, 29320), (7330, 27484), (13742, 14660)]