278675242585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{2089}}^1$

素因数の和:2722

約数の個数: 64

約数和(自身を含む): 364691289600

約数和(自身を除く): 86016047015

約数列:

[1, 5, 23, 43, 53, 115, 215, 265, 509, 989, 1219, 2089, 2279, 2545, 4945, 6095, 10445, 11395, 11707, 21887, 26977, 48047, 52417, 58535, 89827, 109435, 110717, 134885, 240235, 262085, 449135, 503401, 553585, 620471, 1063301, 1160011, 2066021, 2517005, 2546491, 3102355, 4760831, 5316505, 5800055, 10330105, 12732455, 23804155, 24455923, 26680253, 45721943, 56354953, 109499113, 122279615, 133401265, 228609715, 281774765, 547495565, 1051604689, 1296163919, 2423262979, 5258023445, 6480819595, 12116314895, 55735048517, 278675242585]

約数ペア:

[(1, 278675242585), (5, 55735048517), (23, 12116314895), (43, 6480819595), (53, 5258023445), (115, 2423262979), (215, 1296163919), (265, 1051604689), (509, 547495565), (989, 281774765), (1219, 228609715), (2089, 133401265), (2279, 122279615), (2545, 109499113), (4945, 56354953), (6095, 45721943), (10445, 26680253), (11395, 24455923), (11707, 23804155), (21887, 12732455), (26977, 10330105), (48047, 5800055), (52417, 5316505), (58535, 4760831), (89827, 3102355), (109435, 2546491), (110717, 2517005), (134885, 2066021), (240235, 1160011), (262085, 1063301), (449135, 620471), (503401, 553585)]