217592380225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{16231}}^1$

素因数の和:16363

約数の個数: 72

約数和(自身を含む): 312119933760

約数和(自身を除く): 94527553535

約数列:

[1, 5, 11, 25, 29, 41, 55, 145, 205, 275, 319, 451, 725, 1025, 1189, 1595, 1681, 2255, 5945, 7975, 8405, 11275, 13079, 16231, 18491, 29725, 42025, 48749, 65395, 81155, 92455, 178541, 243745, 326975, 405775, 462275, 470699, 536239, 665471, 892705, 1218725, 2353495, 2681195, 3327355, 4463525, 5177689, 7320181, 11767475, 13405975, 16636775, 19298659, 25888445, 27284311, 36600905, 96493295, 129442225, 136421555, 183004525, 212285249, 300127421, 482466475, 682107775, 791245019, 1061426245, 1500637105, 3956225095, 5307131225, 7503185525, 8703695209, 19781125475, 43518476045, 217592380225]

約数ペア:

[(1, 217592380225), (5, 43518476045), (11, 19781125475), (25, 8703695209), (29, 7503185525), (41, 5307131225), (55, 3956225095), (145, 1500637105), (205, 1061426245), (275, 791245019), (319, 682107775), (451, 482466475), (725, 300127421), (1025, 212285249), (1189, 183004525), (1595, 136421555), (1681, 129442225), (2255, 96493295), (5945, 36600905), (7975, 27284311), (8405, 25888445), (11275, 19298659), (13079, 16636775), (16231, 13405975), (18491, 11767475), (29725, 7320181), (42025, 5177689), (48749, 4463525), (65395, 3327355), (81155, 2681195), (92455, 2353495), (178541, 1218725), (243745, 892705), (326975, 665471), (405775, 536239), (462275, 470699)]