27800990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20903}}^1$

素因数の和:20936

約数の個数: 32

約数和(自身を含む): 60203520

約数和(自身を除く): 32402530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 20903, 41806, 104515, 146321, 209030, 292642, 397157, 731605, 794314, 1463210, 1985785, 2780099, 3971570, 5560198, 13900495, 27800990]

約数ペア:

[(1, 27800990), (2, 13900495), (5, 5560198), (7, 3971570), (10, 2780099), (14, 1985785), (19, 1463210), (35, 794314), (38, 731605), (70, 397157), (95, 292642), (133, 209030), (190, 146321), (266, 104515), (665, 41806), (1330, 20903)]