201917720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{174067}}^1$

素因数の和:174107

約数の個数: 32

約数和(自身を含む): 469983600

約数和(自身を除く): 268065880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 174067, 348134, 696268, 870335, 1392536, 1740670, 3481340, 5047943, 6962680, 10095886, 20191772, 25239715, 40383544, 50479430, 100958860, 201917720]

約数ペア:

[(1, 201917720), (2, 100958860), (4, 50479430), (5, 40383544), (8, 25239715), (10, 20191772), (20, 10095886), (29, 6962680), (40, 5047943), (58, 3481340), (116, 1740670), (145, 1392536), (232, 870335), (290, 696268), (580, 348134), (1160, 174067)]