138091600

素因数分解:

$2^4\times 5^2\times {\mathrm{345229}}^1$

素因数の和:345247

約数の個数: 30

約数和(自身を含む): 331766030

約数和(自身を除く): 193674430

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 345229, 690458, 1380916, 1726145, 2761832, 3452290, 5523664, 6904580, 8630725, 13809160, 17261450, 27618320, 34522900, 69045800, 138091600]

約数ペア:

[(1, 138091600), (2, 69045800), (4, 34522900), (5, 27618320), (8, 17261450), (10, 13809160), (16, 8630725), (20, 6904580), (25, 5523664), (40, 3452290), (50, 2761832), (80, 1726145), (100, 1380916), (200, 690458), (400, 345229)]