311280770

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 567302400

約数和(自身を除く): 256021630

約数列:

[1, 2, 5, 10, 139, 239, 278, 478, 695, 937, 1195, 1390, 1874, 2390, 4685, 9370, 33221, 66442, 130243, 166105, 223943, 260486, 332210, 447886, 651215, 1119715, 1302430, 2239430, 31128077, 62256154, 155640385, 311280770]

約数ペア:

[(1, 311280770), (2, 155640385), (5, 62256154), (10, 31128077), (139, 2239430), (239, 1302430), (278, 1119715), (478, 651215), (695, 447886), (937, 332210), (1195, 260486), (1390, 223943), (1874, 166105), (2390, 130243), (4685, 66442), (9370, 33221)]