102721780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{977}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 247113216

約数和(自身を除く): 144391436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 751, 977, 1502, 1954, 3004, 3755, 3908, 4885, 5257, 6839, 7510, 9770, 10514, 13678, 15020, 19540, 21028, 26285, 27356, 34195, 52570, 68390, 105140, 136780, 733727, 1467454, 2934908, 3668635, 5136089, 7337270, 10272178, 14674540, 20544356, 25680445, 51360890, 102721780]

約数ペア:

[(1, 102721780), (2, 51360890), (4, 25680445), (5, 20544356), (7, 14674540), (10, 10272178), (14, 7337270), (20, 5136089), (28, 3668635), (35, 2934908), (70, 1467454), (140, 733727), (751, 136780), (977, 105140), (1502, 68390), (1954, 52570), (3004, 34195), (3755, 27356), (3908, 26285), (4885, 21028), (5257, 19540), (6839, 15020), (7510, 13678), (9770, 10514)]