189950220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55541}}^1$

素因数の和:55575

約数の個数: 72

約数和(自身を含む): 606518640

約数和(自身を除く): 416568420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 55541, 111082, 166623, 222164, 277705, 333246, 499869, 555410, 666492, 833115, 999738, 1055279, 1110820, 1666230, 1999476, 2110558, 2499345, 3165837, 3332460, 4221116, 4998690, 5276395, 6331674, 9497511, 9997380, 10552790, 12663348, 15829185, 18995022, 21105580, 31658370, 37990044, 47487555, 63316740, 94975110, 189950220]

約数ペア:

[(1, 189950220), (2, 94975110), (3, 63316740), (4, 47487555), (5, 37990044), (6, 31658370), (9, 21105580), (10, 18995022), (12, 15829185), (15, 12663348), (18, 10552790), (19, 9997380), (20, 9497511), (30, 6331674), (36, 5276395), (38, 4998690), (45, 4221116), (57, 3332460), (60, 3165837), (76, 2499345), (90, 2110558), (95, 1999476), (114, 1666230), (171, 1110820), (180, 1055279), (190, 999738), (228, 833115), (285, 666492), (342, 555410), (380, 499869), (570, 333246), (684, 277705), (855, 222164), (1140, 166623), (1710, 111082), (3420, 55541)]