2243500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{641}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 5608512

約数和(自身を除く): 3365012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 641, 700, 875, 1282, 1750, 2564, 3205, 3500, 4487, 6410, 8974, 12820, 16025, 17948, 22435, 32050, 44870, 64100, 80125, 89740, 112175, 160250, 224350, 320500, 448700, 560875, 1121750, 2243500]

約数ペア:

[(1, 2243500), (2, 1121750), (4, 560875), (5, 448700), (7, 320500), (10, 224350), (14, 160250), (20, 112175), (25, 89740), (28, 80125), (35, 64100), (50, 44870), (70, 32050), (100, 22435), (125, 17948), (140, 16025), (175, 12820), (250, 8974), (350, 6410), (500, 4487), (641, 3500), (700, 3205), (875, 2564), (1282, 1750)]