200021750

素因数分解:

$2^1\times 5^3\times {\mathrm{383}}^1\times {\mathrm{2089}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 375598080

約数和(自身を除く): 175576330

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 383, 766, 1915, 2089, 3830, 4178, 9575, 10445, 19150, 20890, 47875, 52225, 95750, 104450, 261125, 522250, 800087, 1600174, 4000435, 8000870, 20002175, 40004350, 100010875, 200021750]

約数ペア:

[(1, 200021750), (2, 100010875), (5, 40004350), (10, 20002175), (25, 8000870), (50, 4000435), (125, 1600174), (250, 800087), (383, 522250), (766, 261125), (1915, 104450), (2089, 95750), (3830, 52225), (4178, 47875), (9575, 20890), (10445, 19150)]