28188440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100673}}^1$

素因数の和:100691

約数の個数: 32

約数和(自身を含む): 72485280

約数和(自身を除く): 44296840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100673, 201346, 402692, 503365, 704711, 805384, 1006730, 1409422, 2013460, 2818844, 3523555, 4026920, 5637688, 7047110, 14094220, 28188440]

約数ペア:

[(1, 28188440), (2, 14094220), (4, 7047110), (5, 5637688), (7, 4026920), (8, 3523555), (10, 2818844), (14, 2013460), (20, 1409422), (28, 1006730), (35, 805384), (40, 704711), (56, 503365), (70, 402692), (140, 201346), (280, 100673)]