200721928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{120049}}^1$

素因数の和:120085

約数の個数: 32

約数和(自身を含む): 432180000

約数和(自身を除く): 231458072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 120049, 240098, 480196, 960392, 1320539, 2280931, 2641078, 4561862, 5282156, 9123724, 10564312, 18247448, 25090241, 50180482, 100360964, 200721928]

約数ペア:

[(1, 200721928), (2, 100360964), (4, 50180482), (8, 25090241), (11, 18247448), (19, 10564312), (22, 9123724), (38, 5282156), (44, 4561862), (76, 2641078), (88, 2280931), (152, 1320539), (209, 960392), (418, 480196), (836, 240098), (1672, 120049)]