9977420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 21897120

約数和(自身を除く): 11919700

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 139, 148, 185, 194, 278, 370, 388, 485, 556, 695, 740, 970, 1390, 1940, 2780, 3589, 5143, 7178, 10286, 13483, 14356, 17945, 20572, 25715, 26966, 35890, 51430, 53932, 67415, 71780, 102860, 134830, 269660, 498871, 997742, 1995484, 2494355, 4988710, 9977420]

約数ペア:

[(1, 9977420), (2, 4988710), (4, 2494355), (5, 1995484), (10, 997742), (20, 498871), (37, 269660), (74, 134830), (97, 102860), (139, 71780), (148, 67415), (185, 53932), (194, 51430), (278, 35890), (370, 26966), (388, 25715), (485, 20572), (556, 17945), (695, 14356), (740, 13483), (970, 10286), (1390, 7178), (1940, 5143), (2780, 3589)]