155215780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{456517}}^1$

素因数の和:456543

約数の個数: 24

約数和(自身を含む): 345127608

約数和(自身を除く): 189911828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 456517, 913034, 1826068, 2282585, 4565170, 7760789, 9130340, 15521578, 31043156, 38803945, 77607890, 155215780]

約数ペア:

[(1, 155215780), (2, 77607890), (4, 38803945), (5, 31043156), (10, 15521578), (17, 9130340), (20, 7760789), (34, 4565170), (68, 2282585), (85, 1826068), (170, 913034), (340, 456517)]