72406460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517189}}^1$

素因数の和:517205

約数の個数: 24

約数和(自身を含む): 173775840

約数和(自身を除く): 101369380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517189, 1034378, 2068756, 2585945, 3620323, 5171890, 7240646, 10343780, 14481292, 18101615, 36203230, 72406460]

約数ペア:

[(1, 72406460), (2, 36203230), (4, 18101615), (5, 14481292), (7, 10343780), (10, 7240646), (14, 5171890), (20, 3620323), (28, 2585945), (35, 2068756), (70, 1034378), (140, 517189)]