78303820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559313}}^1$

素因数の和:559329

約数の個数: 24

約数和(自身を含む): 187929504

約数和(自身を除く): 109625684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559313, 1118626, 2237252, 2796565, 3915191, 5593130, 7830382, 11186260, 15660764, 19575955, 39151910, 78303820]

約数ペア:

[(1, 78303820), (2, 39151910), (4, 19575955), (5, 15660764), (7, 11186260), (10, 7830382), (14, 5593130), (20, 3915191), (28, 2796565), (35, 2237252), (70, 1118626), (140, 559313)]