89901990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1033}}^1$

素因数の和:2013

約数の個数: 48

約数和(自身を含む): 234213408

約数和(自身を除く): 144311418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 967, 1033, 1934, 2066, 2901, 3099, 4835, 5165, 5802, 6198, 8703, 9297, 9670, 10330, 14505, 15495, 17406, 18594, 29010, 30990, 43515, 46485, 87030, 92970, 998911, 1997822, 2996733, 4994555, 5993466, 8990199, 9989110, 14983665, 17980398, 29967330, 44950995, 89901990]

約数ペア:

[(1, 89901990), (2, 44950995), (3, 29967330), (5, 17980398), (6, 14983665), (9, 9989110), (10, 8990199), (15, 5993466), (18, 4994555), (30, 2996733), (45, 1997822), (90, 998911), (967, 92970), (1033, 87030), (1934, 46485), (2066, 43515), (2901, 30990), (3099, 29010), (4835, 18594), (5165, 17406), (5802, 15495), (6198, 14505), (8703, 10330), (9297, 9670)]