201566920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 462931200

約数和(自身を除く): 261364280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 227, 281, 316, 395, 454, 562, 632, 790, 908, 1124, 1135, 1405, 1580, 1816, 2248, 2270, 2810, 3160, 4540, 5620, 9080, 11240, 17933, 22199, 35866, 44398, 63787, 71732, 88796, 89665, 110995, 127574, 143464, 177592, 179330, 221990, 255148, 318935, 358660, 443980, 510296, 637870, 717320, 887960, 1275740, 2551480, 5039173, 10078346, 20156692, 25195865, 40313384, 50391730, 100783460, 201566920]

約数ペア:

[(1, 201566920), (2, 100783460), (4, 50391730), (5, 40313384), (8, 25195865), (10, 20156692), (20, 10078346), (40, 5039173), (79, 2551480), (158, 1275740), (227, 887960), (281, 717320), (316, 637870), (395, 510296), (454, 443980), (562, 358660), (632, 318935), (790, 255148), (908, 221990), (1124, 179330), (1135, 177592), (1405, 143464), (1580, 127574), (1816, 110995), (2248, 89665), (2270, 88796), (2810, 71732), (3160, 63787), (4540, 44398), (5620, 35866), (9080, 22199), (11240, 17933)]