90240290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 191766528

約数和(自身を除く): 101526238

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 71, 134, 142, 271, 335, 355, 469, 497, 542, 670, 710, 938, 994, 1355, 1897, 2345, 2485, 2710, 3794, 4690, 4757, 4970, 9485, 9514, 18157, 18970, 19241, 23785, 33299, 36314, 38482, 47570, 66598, 90785, 96205, 127099, 134687, 166495, 181570, 192410, 254198, 269374, 332990, 635495, 673435, 1270990, 1289147, 1346870, 2578294, 6445735, 9024029, 12891470, 18048058, 45120145, 90240290]

約数ペア:

[(1, 90240290), (2, 45120145), (5, 18048058), (7, 12891470), (10, 9024029), (14, 6445735), (35, 2578294), (67, 1346870), (70, 1289147), (71, 1270990), (134, 673435), (142, 635495), (271, 332990), (335, 269374), (355, 254198), (469, 192410), (497, 181570), (542, 166495), (670, 134687), (710, 127099), (938, 96205), (994, 90785), (1355, 66598), (1897, 47570), (2345, 38482), (2485, 36314), (2710, 33299), (3794, 23785), (4690, 19241), (4757, 18970), (4970, 18157), (9485, 9514)]