629340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 1868832

約数和(自身を除く): 1239492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 617, 1020, 1234, 1851, 2468, 3085, 3702, 6170, 7404, 9255, 10489, 12340, 18510, 20978, 31467, 37020, 41956, 52445, 62934, 104890, 125868, 157335, 209780, 314670, 629340]

約数ペア:

[(1, 629340), (2, 314670), (3, 209780), (4, 157335), (5, 125868), (6, 104890), (10, 62934), (12, 52445), (15, 41956), (17, 37020), (20, 31467), (30, 20978), (34, 18510), (51, 12340), (60, 10489), (68, 9255), (85, 7404), (102, 6170), (170, 3702), (204, 3085), (255, 2468), (340, 1851), (510, 1234), (617, 1020)]