71390204540

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{10227823}}^1$

素因数の和:10228181

約数の個数: 24

約数和(自身を含む): 150349012800

約数和(自身を除く): 78958808260

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 10227823, 20455646, 40911292, 51139115, 102278230, 204556460, 3569510227, 7139020454, 14278040908, 17847551135, 35695102270, 71390204540]

約数ペア:

[(1, 71390204540), (2, 35695102270), (4, 17847551135), (5, 14278040908), (10, 7139020454), (20, 3569510227), (349, 204556460), (698, 102278230), (1396, 51139115), (1745, 40911292), (3490, 20455646), (6980, 10227823)]