89901090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{110989}}^1$

素因数の和:111008

約数の個数: 40

約数和(自身を含む): 241736220

約数和(自身を除く): 151835130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 110989, 221978, 332967, 554945, 665934, 998901, 1109890, 1664835, 1997802, 2996703, 3329670, 4994505, 5993406, 8990109, 9989010, 14983515, 17980218, 29967030, 44950545, 89901090]

約数ペア:

[(1, 89901090), (2, 44950545), (3, 29967030), (5, 17980218), (6, 14983515), (9, 9989010), (10, 8990109), (15, 5993406), (18, 4994505), (27, 3329670), (30, 2996703), (45, 1997802), (54, 1664835), (81, 1109890), (90, 998901), (135, 665934), (162, 554945), (270, 332967), (405, 221978), (810, 110989)]