71786540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512761}}^1$

素因数の和:512777

約数の個数: 24

約数和(自身を含む): 172288032

約数和(自身を除く): 100501492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512761, 1025522, 2051044, 2563805, 3589327, 5127610, 7178654, 10255220, 14357308, 17946635, 35893270, 71786540]

約数ペア:

[(1, 71786540), (2, 35893270), (4, 17946635), (5, 14357308), (7, 10255220), (10, 7178654), (14, 5127610), (20, 3589327), (28, 2563805), (35, 2051044), (70, 1025522), (140, 512761)]