38718380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 84623616

約数和(自身を除く): 45905236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 317, 394, 620, 634, 788, 985, 1268, 1585, 1970, 3170, 3940, 6107, 6340, 9827, 12214, 19654, 24428, 30535, 39308, 49135, 61070, 62449, 98270, 122140, 124898, 196540, 249796, 312245, 624490, 1248980, 1935919, 3871838, 7743676, 9679595, 19359190, 38718380]

約数ペア:

[(1, 38718380), (2, 19359190), (4, 9679595), (5, 7743676), (10, 3871838), (20, 1935919), (31, 1248980), (62, 624490), (124, 312245), (155, 249796), (197, 196540), (310, 124898), (317, 122140), (394, 98270), (620, 62449), (634, 61070), (788, 49135), (985, 39308), (1268, 30535), (1585, 24428), (1970, 19654), (3170, 12214), (3940, 9827), (6107, 6340)]