74867780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1447}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 170284800

約数和(自身を除く): 95417020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1447, 1990, 2587, 2894, 3980, 5174, 5788, 7235, 10348, 12935, 14470, 18811, 25870, 28940, 37622, 51740, 75244, 94055, 188110, 287953, 376220, 575906, 1151812, 1439765, 2879530, 3743389, 5759060, 7486778, 14973556, 18716945, 37433890, 74867780]

約数ペア:

[(1, 74867780), (2, 37433890), (4, 18716945), (5, 14973556), (10, 7486778), (13, 5759060), (20, 3743389), (26, 2879530), (52, 1439765), (65, 1151812), (130, 575906), (199, 376220), (260, 287953), (398, 188110), (796, 94055), (995, 75244), (1447, 51740), (1990, 37622), (2587, 28940), (2894, 25870), (3980, 18811), (5174, 14470), (5788, 12935), (7235, 10348)]