490214750

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{24821}}^1$

素因数の和:24917

約数の個数: 32

約数和(自身を含む): 929335680

約数和(自身を除く): 439120930

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 790, 1975, 3950, 9875, 19750, 24821, 49642, 124105, 248210, 620525, 1241050, 1960859, 3102625, 3921718, 6205250, 9804295, 19608590, 49021475, 98042950, 245107375, 490214750]

約数ペア:

[(1, 490214750), (2, 245107375), (5, 98042950), (10, 49021475), (25, 19608590), (50, 9804295), (79, 6205250), (125, 3921718), (158, 3102625), (250, 1960859), (395, 1241050), (790, 620525), (1975, 248210), (3950, 124105), (9875, 49642), (19750, 24821)]