89180840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{318503}}^1$

素因数の和:318521

約数の個数: 32

約数和(自身を含む): 229322880

約数和(自身を除く): 140142040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 318503, 637006, 1274012, 1592515, 2229521, 2548024, 3185030, 4459042, 6370060, 8918084, 11147605, 12740120, 17836168, 22295210, 44590420, 89180840]

約数ペア:

[(1, 89180840), (2, 44590420), (4, 22295210), (5, 17836168), (7, 12740120), (8, 11147605), (10, 8918084), (14, 6370060), (20, 4459042), (28, 3185030), (35, 2548024), (40, 2229521), (56, 1592515), (70, 1274012), (140, 637006), (280, 318503)]