123089540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4463}}^1$

素因数の和:4676

約数の個数: 48

約数和(自身を含む): 296980992

約数和(自身を除く): 173891452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 4463, 5516, 6895, 8926, 13790, 17852, 22315, 27580, 31241, 44630, 62482, 89260, 124964, 156205, 312410, 624820, 879211, 1758422, 3516844, 4396055, 6154477, 8792110, 12308954, 17584220, 24617908, 30772385, 61544770, 123089540]

約数ペア:

[(1, 123089540), (2, 61544770), (4, 30772385), (5, 24617908), (7, 17584220), (10, 12308954), (14, 8792110), (20, 6154477), (28, 4396055), (35, 3516844), (70, 1758422), (140, 879211), (197, 624820), (394, 312410), (788, 156205), (985, 124964), (1379, 89260), (1970, 62482), (2758, 44630), (3940, 31241), (4463, 27580), (5516, 22315), (6895, 17852), (8926, 13790)]