437240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 1043280

約数和(自身を除く): 606040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 643, 680, 1286, 2572, 3215, 5144, 6430, 10931, 12860, 21862, 25720, 43724, 54655, 87448, 109310, 218620, 437240]

約数ペア:

[(1, 437240), (2, 218620), (4, 109310), (5, 87448), (8, 54655), (10, 43724), (17, 25720), (20, 21862), (34, 12860), (40, 10931), (68, 6430), (85, 5144), (136, 3215), (170, 2572), (340, 1286), (643, 680)]