2004728

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 4389000

約数和(自身を除く): 2384272

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 109, 121, 152, 209, 218, 242, 418, 436, 484, 836, 872, 968, 1199, 1672, 2071, 2299, 2398, 4142, 4598, 4796, 8284, 9196, 9592, 13189, 16568, 18392, 22781, 26378, 45562, 52756, 91124, 105512, 182248, 250591, 501182, 1002364, 2004728]

約数ペア:

[(1, 2004728), (2, 1002364), (4, 501182), (8, 250591), (11, 182248), (19, 105512), (22, 91124), (38, 52756), (44, 45562), (76, 26378), (88, 22781), (109, 18392), (121, 16568), (152, 13189), (209, 9592), (218, 9196), (242, 8284), (418, 4796), (436, 4598), (484, 4142), (836, 2398), (872, 2299), (968, 2071), (1199, 1672)]