68180140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{739}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 164102400

約数和(自身を除く): 95922260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 739, 1318, 1478, 2636, 2956, 3295, 3695, 4613, 5173, 6590, 7390, 9226, 10346, 13180, 14780, 18452, 20692, 23065, 25865, 46130, 51730, 92260, 103460, 487001, 974002, 1948004, 2435005, 3409007, 4870010, 6818014, 9740020, 13636028, 17045035, 34090070, 68180140]

約数ペア:

[(1, 68180140), (2, 34090070), (4, 17045035), (5, 13636028), (7, 9740020), (10, 6818014), (14, 4870010), (20, 3409007), (28, 2435005), (35, 1948004), (70, 974002), (140, 487001), (659, 103460), (739, 92260), (1318, 51730), (1478, 46130), (2636, 25865), (2956, 23065), (3295, 20692), (3695, 18452), (4613, 14780), (5173, 13180), (6590, 10346), (7390, 9226)]