290437675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 419116032

約数和(自身を除く): 128678357

約数列:

[1, 5, 11, 23, 25, 47, 55, 115, 235, 253, 275, 517, 575, 977, 1081, 1175, 1265, 2585, 4885, 5405, 6325, 10747, 11891, 12925, 22471, 24425, 27025, 45919, 53735, 59455, 112355, 229595, 247181, 268675, 297275, 505109, 561775, 1056137, 1147975, 1235905, 2525545, 5280685, 6179525, 11617507, 12627725, 26403425, 58087535, 290437675]

約数ペア:

[(1, 290437675), (5, 58087535), (11, 26403425), (23, 12627725), (25, 11617507), (47, 6179525), (55, 5280685), (115, 2525545), (235, 1235905), (253, 1147975), (275, 1056137), (517, 561775), (575, 505109), (977, 297275), (1081, 268675), (1175, 247181), (1265, 229595), (2585, 112355), (4885, 59455), (5405, 53735), (6325, 45919), (10747, 27025), (11891, 24425), (12925, 22471)]