720842254

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 1258669440

約数和(自身を除く): 537827186

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 211, 242, 418, 422, 743, 1486, 2299, 2321, 4009, 4598, 4642, 8018, 8173, 14117, 16346, 25531, 28234, 44099, 51062, 88198, 89903, 155287, 156773, 179806, 310574, 313546, 485089, 970178, 1708157, 1724503, 2978687, 3416314, 3449006, 5957374, 18969533, 32765557, 37939066, 65531114, 360421127, 720842254]

約数ペア:

[(1, 720842254), (2, 360421127), (11, 65531114), (19, 37939066), (22, 32765557), (38, 18969533), (121, 5957374), (209, 3449006), (211, 3416314), (242, 2978687), (418, 1724503), (422, 1708157), (743, 970178), (1486, 485089), (2299, 313546), (2321, 310574), (4009, 179806), (4598, 156773), (4642, 155287), (8018, 89903), (8173, 88198), (14117, 51062), (16346, 44099), (25531, 28234)]