31106260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 69672960

約数和(自身を除く): 38566700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 479, 764, 955, 958, 1910, 1916, 2395, 3247, 3820, 4790, 6494, 8143, 9580, 12988, 16235, 16286, 32470, 32572, 40715, 64940, 81430, 91489, 162860, 182978, 365956, 457445, 914890, 1555313, 1829780, 3110626, 6221252, 7776565, 15553130, 31106260]

約数ペア:

[(1, 31106260), (2, 15553130), (4, 7776565), (5, 6221252), (10, 3110626), (17, 1829780), (20, 1555313), (34, 914890), (68, 457445), (85, 365956), (170, 182978), (191, 162860), (340, 91489), (382, 81430), (479, 64940), (764, 40715), (955, 32572), (958, 32470), (1910, 16286), (1916, 16235), (2395, 12988), (3247, 9580), (3820, 8143), (4790, 6494)]