199841375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 266198400

約数和(自身を除く): 66357025

約数列:

[1, 5, 17, 25, 85, 125, 157, 425, 599, 785, 2125, 2669, 2995, 3925, 10183, 13345, 14975, 19625, 50915, 66725, 74875, 94043, 254575, 333625, 470215, 1272875, 1598731, 2351075, 7993655, 11755375, 39968275, 199841375]

約数ペア:

[(1, 199841375), (5, 39968275), (17, 11755375), (25, 7993655), (85, 2351075), (125, 1598731), (157, 1272875), (425, 470215), (599, 333625), (785, 254575), (2125, 94043), (2669, 74875), (2995, 66725), (3925, 50915), (10183, 19625), (13345, 14975)]