2821563290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{15581}}^1$

素因数の和:15807

約数の個数: 64

約数和(自身を含む): 6282662400

約数和(自身を除く): 3461099110

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 398, 455, 910, 995, 1393, 1990, 2587, 2786, 5174, 6965, 12935, 13930, 15581, 18109, 25870, 31162, 36218, 77905, 90545, 109067, 155810, 181090, 202553, 218134, 405106, 545335, 1012765, 1090670, 1417871, 2025530, 2835742, 3100619, 6201238, 7089355, 14178710, 15503095, 21704333, 31006190, 40308047, 43408666, 80616094, 108521665, 201540235, 217043330, 282156329, 403080470, 564312658, 1410781645, 2821563290]

約数ペア:

[(1, 2821563290), (2, 1410781645), (5, 564312658), (7, 403080470), (10, 282156329), (13, 217043330), (14, 201540235), (26, 108521665), (35, 80616094), (65, 43408666), (70, 40308047), (91, 31006190), (130, 21704333), (182, 15503095), (199, 14178710), (398, 7089355), (455, 6201238), (910, 3100619), (995, 2835742), (1393, 2025530), (1990, 1417871), (2587, 1090670), (2786, 1012765), (5174, 545335), (6965, 405106), (12935, 218134), (13930, 202553), (15581, 181090), (18109, 155810), (25870, 109067), (31162, 90545), (36218, 77905)]