303764980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{213919}}^1$

素因数の和:213999

約数の個数: 24

約数和(自身を含む): 646894080

約数和(自身を除く): 343129100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 213919, 427838, 855676, 1069595, 2139190, 4278380, 15188249, 30376498, 60752996, 75941245, 151882490, 303764980]

約数ペア:

[(1, 303764980), (2, 151882490), (4, 75941245), (5, 60752996), (10, 30376498), (20, 15188249), (71, 4278380), (142, 2139190), (284, 1069595), (355, 855676), (710, 427838), (1420, 213919)]