1566950020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{2777}}^1$

素因数の和:3192

約数の個数: 48

約数和(自身を含む): 3339267120

約数和(自身を除く): 1772317100

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 317, 356, 445, 634, 890, 1268, 1585, 1780, 2777, 3170, 5554, 6340, 11108, 13885, 27770, 28213, 55540, 56426, 112852, 141065, 247153, 282130, 494306, 564260, 880309, 988612, 1235765, 1760618, 2471530, 3521236, 4401545, 4943060, 8803090, 17606180, 78347501, 156695002, 313390004, 391737505, 783475010, 1566950020]

約数ペア:

[(1, 1566950020), (2, 783475010), (4, 391737505), (5, 313390004), (10, 156695002), (20, 78347501), (89, 17606180), (178, 8803090), (317, 4943060), (356, 4401545), (445, 3521236), (634, 2471530), (890, 1760618), (1268, 1235765), (1585, 988612), (1780, 880309), (2777, 564260), (3170, 494306), (5554, 282130), (6340, 247153), (11108, 141065), (13885, 112852), (27770, 56426), (28213, 55540)]