728860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3313}}^1$

素因数の和:3333

約数の個数: 24

約数和(自身を含む): 1670256

約数和(自身を除く): 941396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3313, 6626, 13252, 16565, 33130, 36443, 66260, 72886, 145772, 182215, 364430, 728860]

約数ペア:

[(1, 728860), (2, 364430), (4, 182215), (5, 145772), (10, 72886), (11, 66260), (20, 36443), (22, 33130), (44, 16565), (55, 13252), (110, 6626), (220, 3313)]