389090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 32

約数和(自身を含む): 783216

約数和(自身を除く): 394126

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 73, 82, 130, 146, 205, 365, 410, 533, 730, 949, 1066, 1898, 2665, 2993, 4745, 5330, 5986, 9490, 14965, 29930, 38909, 77818, 194545, 389090]

約数ペア:

[(1, 389090), (2, 194545), (5, 77818), (10, 38909), (13, 29930), (26, 14965), (41, 9490), (65, 5986), (73, 5330), (82, 4745), (130, 2993), (146, 2665), (205, 1898), (365, 1066), (410, 949), (533, 730)]