30605780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90017}}^1$

素因数の和:90043

約数の個数: 24

約数和(自身を含む): 68053608

約数和(自身を除く): 37447828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 90017, 180034, 360068, 450085, 900170, 1530289, 1800340, 3060578, 6121156, 7651445, 15302890, 30605780]

約数ペア:

[(1, 30605780), (2, 15302890), (4, 7651445), (5, 6121156), (10, 3060578), (17, 1800340), (20, 1530289), (34, 900170), (68, 450085), (85, 360068), (170, 180034), (340, 90017)]