319866620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 680520960

約数和(自身を除く): 360654340

約数列:

[1, 2, 4, 5, 10, 20, 173, 193, 346, 386, 479, 692, 772, 865, 958, 965, 1730, 1916, 1930, 2395, 3460, 3860, 4790, 9580, 33389, 66778, 82867, 92447, 133556, 165734, 166945, 184894, 331468, 333890, 369788, 414335, 462235, 667780, 828670, 924470, 1657340, 1848940, 15993331, 31986662, 63973324, 79966655, 159933310, 319866620]

約数ペア:

[(1, 319866620), (2, 159933310), (4, 79966655), (5, 63973324), (10, 31986662), (20, 15993331), (173, 1848940), (193, 1657340), (346, 924470), (386, 828670), (479, 667780), (692, 462235), (772, 414335), (865, 369788), (958, 333890), (965, 331468), (1730, 184894), (1916, 166945), (1930, 165734), (2395, 133556), (3460, 92447), (3860, 82867), (4790, 66778), (9580, 33389)]