144404780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1399}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 327633600

約数和(自身を除く): 183228820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 794, 1399, 1588, 1985, 2798, 3970, 5161, 5596, 6995, 7940, 10322, 13990, 18187, 20644, 25805, 27980, 36374, 51610, 72748, 90935, 103220, 181870, 363740, 555403, 1110806, 2221612, 2777015, 5554030, 7220239, 11108060, 14440478, 28880956, 36101195, 72202390, 144404780]

約数ペア:

[(1, 144404780), (2, 72202390), (4, 36101195), (5, 28880956), (10, 14440478), (13, 11108060), (20, 7220239), (26, 5554030), (52, 2777015), (65, 2221612), (130, 1110806), (260, 555403), (397, 363740), (794, 181870), (1399, 103220), (1588, 90935), (1985, 72748), (2798, 51610), (3970, 36374), (5161, 27980), (5596, 25805), (6995, 20644), (7940, 18187), (10322, 13990)]