71779540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512711}}^1$

素因数の和:512727

約数の個数: 24

約数和(自身を含む): 172271232

約数和(自身を除く): 100491692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512711, 1025422, 2050844, 2563555, 3588977, 5127110, 7177954, 10254220, 14355908, 17944885, 35889770, 71779540]

約数ペア:

[(1, 71779540), (2, 35889770), (4, 17944885), (5, 14355908), (7, 10254220), (10, 7177954), (14, 5127110), (20, 3588977), (28, 2563555), (35, 2050844), (70, 1025422), (140, 512711)]