348796870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 682214400

約数和(自身を除く): 333417530

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 139, 190, 235, 278, 281, 470, 562, 695, 893, 1390, 1405, 1786, 2641, 2810, 4465, 5282, 5339, 6533, 8930, 10678, 13066, 13205, 13207, 26410, 26414, 26695, 32665, 39059, 53390, 65330, 66035, 78118, 124127, 132070, 195295, 248254, 250933, 390590, 501866, 620635, 742121, 1241270, 1254665, 1484242, 1835773, 2509330, 3671546, 3710605, 7421210, 9178865, 18357730, 34879687, 69759374, 174398435, 348796870]

約数ペア:

[(1, 348796870), (2, 174398435), (5, 69759374), (10, 34879687), (19, 18357730), (38, 9178865), (47, 7421210), (94, 3710605), (95, 3671546), (139, 2509330), (190, 1835773), (235, 1484242), (278, 1254665), (281, 1241270), (470, 742121), (562, 620635), (695, 501866), (893, 390590), (1390, 250933), (1405, 248254), (1786, 195295), (2641, 132070), (2810, 124127), (4465, 78118), (5282, 66035), (5339, 65330), (6533, 53390), (8930, 39059), (10678, 32665), (13066, 26695), (13205, 26414), (13207, 26410)]