490796545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 640673280

約数和(自身を除く): 149876735

約数列:

[1, 5, 17, 61, 85, 103, 305, 515, 919, 1037, 1751, 4595, 5185, 6283, 8755, 15623, 31415, 56059, 78115, 94657, 106811, 280295, 473285, 534055, 953003, 1609169, 4765015, 5774077, 8045845, 28870385, 98159309, 490796545]

約数ペア:

[(1, 490796545), (5, 98159309), (17, 28870385), (61, 8045845), (85, 5774077), (103, 4765015), (305, 1609169), (515, 953003), (919, 534055), (1037, 473285), (1751, 280295), (4595, 106811), (5185, 94657), (6283, 78115), (8755, 56059), (15623, 31415)]