81971270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 150163200

約数和(自身を除く): 68191930

約数列:

[1, 2, 5, 10, 109, 157, 218, 314, 479, 545, 785, 958, 1090, 1570, 2395, 4790, 17113, 34226, 52211, 75203, 85565, 104422, 150406, 171130, 261055, 376015, 522110, 752030, 8197127, 16394254, 40985635, 81971270]

約数ペア:

[(1, 81971270), (2, 40985635), (5, 16394254), (10, 8197127), (109, 752030), (157, 522110), (218, 376015), (314, 261055), (479, 171130), (545, 150406), (785, 104422), (958, 85565), (1090, 75203), (1570, 52211), (2395, 34226), (4790, 17113)]