2018149820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1\times {\mathrm{977}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 4273547040

約数和(自身を除く): 2255397220

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 577, 716, 895, 977, 1154, 1790, 1954, 2308, 2885, 3580, 3908, 4885, 5770, 9770, 11540, 19540, 103283, 174883, 206566, 349766, 413132, 516415, 563729, 699532, 874415, 1032830, 1127458, 1748830, 2065660, 2254916, 2818645, 3497660, 5637290, 11274580, 100907491, 201814982, 403629964, 504537455, 1009074910, 2018149820]

約数ペア:

[(1, 2018149820), (2, 1009074910), (4, 504537455), (5, 403629964), (10, 201814982), (20, 100907491), (179, 11274580), (358, 5637290), (577, 3497660), (716, 2818645), (895, 2254916), (977, 2065660), (1154, 1748830), (1790, 1127458), (1954, 1032830), (2308, 874415), (2885, 699532), (3580, 563729), (3908, 516415), (4885, 413132), (5770, 349766), (9770, 206566), (11540, 174883), (19540, 103283)]