78008140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557201}}^1$

素因数の和:557217

約数の個数: 24

約数和(自身を含む): 187219872

約数和(自身を除く): 109211732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557201, 1114402, 2228804, 2786005, 3900407, 5572010, 7800814, 11144020, 15601628, 19502035, 39004070, 78008140]

約数ペア:

[(1, 78008140), (2, 39004070), (4, 19502035), (5, 15601628), (7, 11144020), (10, 7800814), (14, 5572010), (20, 3900407), (28, 2786005), (35, 2228804), (70, 1114402), (140, 557201)]