85539860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1117}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 205855104

約数和(自身を除く): 120315244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1117, 2188, 2234, 2735, 3829, 4468, 5470, 5585, 7658, 7819, 10940, 11170, 15316, 15638, 19145, 22340, 31276, 38290, 39095, 76580, 78190, 156380, 610999, 1221998, 2443996, 3054995, 4276993, 6109990, 8553986, 12219980, 17107972, 21384965, 42769930, 85539860]

約数ペア:

[(1, 85539860), (2, 42769930), (4, 21384965), (5, 17107972), (7, 12219980), (10, 8553986), (14, 6109990), (20, 4276993), (28, 3054995), (35, 2443996), (70, 1221998), (140, 610999), (547, 156380), (1094, 78190), (1117, 76580), (2188, 39095), (2234, 38290), (2735, 31276), (3829, 22340), (4468, 19145), (5470, 15638), (5585, 15316), (7658, 11170), (7819, 10940)]