419560

素因数分解:

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

素因数の和:645

約数の個数: 32

約数和(自身を含む): 1001160

約数和(自身を除く): 581600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 617, 680, 1234, 2468, 3085, 4936, 6170, 10489, 12340, 20978, 24680, 41956, 52445, 83912, 104890, 209780, 419560]

約数ペア:

[(1, 419560), (2, 209780), (4, 104890), (5, 83912), (8, 52445), (10, 41956), (17, 24680), (20, 20978), (34, 12340), (40, 10489), (68, 6170), (85, 4936), (136, 3085), (170, 2468), (340, 1234), (617, 680)]