219586040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{288929}}^1$

素因数の和:288959

約数の個数: 32

約数和(自身を含む): 520074000

約数和(自身を除く): 300487960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 288929, 577858, 1155716, 1444645, 2311432, 2889290, 5489651, 5778580, 10979302, 11557160, 21958604, 27448255, 43917208, 54896510, 109793020, 219586040]

約数ペア:

[(1, 219586040), (2, 109793020), (4, 54896510), (5, 43917208), (8, 27448255), (10, 21958604), (19, 11557160), (20, 10979302), (38, 5778580), (40, 5489651), (76, 2889290), (95, 2311432), (152, 1444645), (190, 1155716), (380, 577858), (760, 288929)]