173173780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3347}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 393724800

約数和(自身を除く): 220551020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3347, 3980, 5174, 6694, 10348, 12935, 13388, 16735, 25870, 33470, 43511, 51740, 66940, 87022, 174044, 217555, 435110, 666053, 870220, 1332106, 2664212, 3330265, 6660530, 8658689, 13321060, 17317378, 34634756, 43293445, 86586890, 173173780]

約数ペア:

[(1, 173173780), (2, 86586890), (4, 43293445), (5, 34634756), (10, 17317378), (13, 13321060), (20, 8658689), (26, 6660530), (52, 3330265), (65, 2664212), (130, 1332106), (199, 870220), (260, 666053), (398, 435110), (796, 217555), (995, 174044), (1990, 87022), (2587, 66940), (3347, 51740), (3980, 43511), (5174, 33470), (6694, 25870), (10348, 16735), (12935, 13388)]