143980900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2989

約数の個数: 72

約数和(自身を含む): 362226816

約数和(自身を除く): 218245916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1775, 1988, 2485, 2897, 3550, 4970, 5794, 7100, 9940, 11588, 12425, 14485, 20279, 24850, 28970, 40558, 49700, 57940, 72425, 81116, 101395, 144850, 202790, 205687, 289700, 405580, 411374, 506975, 822748, 1013950, 1028435, 1439809, 2027900, 2056870, 2879618, 4113740, 5142175, 5759236, 7199045, 10284350, 14398090, 20568700, 28796180, 35995225, 71990450, 143980900]

約数ペア:

[(1, 143980900), (2, 71990450), (4, 35995225), (5, 28796180), (7, 20568700), (10, 14398090), (14, 10284350), (20, 7199045), (25, 5759236), (28, 5142175), (35, 4113740), (50, 2879618), (70, 2056870), (71, 2027900), (100, 1439809), (140, 1028435), (142, 1013950), (175, 822748), (284, 506975), (350, 411374), (355, 405580), (497, 289700), (700, 205687), (710, 202790), (994, 144850), (1420, 101395), (1775, 81116), (1988, 72425), (2485, 57940), (2897, 49700), (3550, 40558), (4970, 28970), (5794, 24850), (7100, 20279), (9940, 14485), (11588, 12425)]