161504180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{22369}}^1$

素因数の和:22416

約数の個数: 36

約数和(自身を含む): 357964740

約数和(自身を除く): 196460560

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 22369, 44738, 89476, 111845, 223690, 425011, 447380, 850022, 1700044, 2125055, 4250110, 8075209, 8500220, 16150418, 32300836, 40376045, 80752090, 161504180]

約数ペア:

[(1, 161504180), (2, 80752090), (4, 40376045), (5, 32300836), (10, 16150418), (19, 8500220), (20, 8075209), (38, 4250110), (76, 2125055), (95, 1700044), (190, 850022), (361, 447380), (380, 425011), (722, 223690), (1444, 111845), (1805, 89476), (3610, 44738), (7220, 22369)]