121308280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{27823}}^1$

素因数の和:27943

約数の個数: 32

約数和(自身を含む): 275457600

約数和(自身を除く): 154149320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 27823, 55646, 111292, 139115, 222584, 278230, 556460, 1112920, 3032707, 6065414, 12130828, 15163535, 24261656, 30327070, 60654140, 121308280]

約数ペア:

[(1, 121308280), (2, 60654140), (4, 30327070), (5, 24261656), (8, 15163535), (10, 12130828), (20, 6065414), (40, 3032707), (109, 1112920), (218, 556460), (436, 278230), (545, 222584), (872, 139115), (1090, 111292), (2180, 55646), (4360, 27823)]