78729980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562357}}^1$

素因数の和:562373

約数の個数: 24

約数和(自身を含む): 188952288

約数和(自身を除く): 110222308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562357, 1124714, 2249428, 2811785, 3936499, 5623570, 7872998, 11247140, 15745996, 19682495, 39364990, 78729980]

約数ペア:

[(1, 78729980), (2, 39364990), (4, 19682495), (5, 15745996), (7, 11247140), (10, 7872998), (14, 5623570), (20, 3936499), (28, 2811785), (35, 2249428), (70, 1124714), (140, 562357)]