1478940140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{2053}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 3140155200

約数和(自身を除く): 1661215060

約数列:

[1, 2, 4, 5, 10, 20, 181, 199, 362, 398, 724, 796, 905, 995, 1810, 1990, 2053, 3620, 3980, 4106, 8212, 10265, 20530, 36019, 41060, 72038, 144076, 180095, 360190, 371593, 408547, 720380, 743186, 817094, 1486372, 1634188, 1857965, 2042735, 3715930, 4085470, 7431860, 8170940, 73947007, 147894014, 295788028, 369735035, 739470070, 1478940140]

約数ペア:

[(1, 1478940140), (2, 739470070), (4, 369735035), (5, 295788028), (10, 147894014), (20, 73947007), (181, 8170940), (199, 7431860), (362, 4085470), (398, 3715930), (724, 2042735), (796, 1857965), (905, 1634188), (995, 1486372), (1810, 817094), (1990, 743186), (2053, 720380), (3620, 408547), (3980, 371593), (4106, 360190), (8212, 180095), (10265, 144076), (20530, 72038), (36019, 41060)]