28416220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202973}}^1$

素因数の和:202989

約数の個数: 24

約数和(自身を含む): 68199264

約数和(自身を除く): 39783044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202973, 405946, 811892, 1014865, 1420811, 2029730, 2841622, 4059460, 5683244, 7104055, 14208110, 28416220]

約数ペア:

[(1, 28416220), (2, 14208110), (4, 7104055), (5, 5683244), (7, 4059460), (10, 2841622), (14, 2029730), (20, 1420811), (28, 1014865), (35, 811892), (70, 405946), (140, 202973)]