77281370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 142767360

約数和(自身を除く): 65485990

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 1223, 2446, 6115, 6319, 12230, 12638, 31595, 63190, 86833, 108847, 173666, 217694, 434165, 544235, 868330, 1088470, 7728137, 15456274, 38640685, 77281370]

約数ペア:

[(1, 77281370), (2, 38640685), (5, 15456274), (10, 7728137), (71, 1088470), (89, 868330), (142, 544235), (178, 434165), (355, 217694), (445, 173666), (710, 108847), (890, 86833), (1223, 63190), (2446, 31595), (6115, 12638), (6319, 12230)]