70656940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 153115200

約数和(自身を除く): 82458260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 433, 796, 820, 866, 995, 1732, 1990, 2165, 3980, 4330, 8159, 8660, 16318, 17753, 32636, 35506, 40795, 71012, 81590, 86167, 88765, 163180, 172334, 177530, 344668, 355060, 430835, 861670, 1723340, 3532847, 7065694, 14131388, 17664235, 35328470, 70656940]

約数ペア:

[(1, 70656940), (2, 35328470), (4, 17664235), (5, 14131388), (10, 7065694), (20, 3532847), (41, 1723340), (82, 861670), (164, 430835), (199, 355060), (205, 344668), (398, 177530), (410, 172334), (433, 163180), (796, 88765), (820, 86167), (866, 81590), (995, 71012), (1732, 40795), (1990, 35506), (2165, 32636), (3980, 17753), (4330, 16318), (8159, 8660)]