289363900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{863}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 719953920

約数和(自身を除く): 430590020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 479, 700, 863, 958, 1726, 1916, 2395, 3353, 3452, 4315, 4790, 6041, 6706, 8630, 9580, 11975, 12082, 13412, 16765, 17260, 21575, 23950, 24164, 30205, 33530, 43150, 47900, 60410, 67060, 83825, 86300, 120820, 151025, 167650, 302050, 335300, 413377, 604100, 826754, 1653508, 2066885, 2893639, 4133770, 5787278, 8267540, 10334425, 11574556, 14468195, 20668850, 28936390, 41337700, 57872780, 72340975, 144681950, 289363900]

約数ペア:

[(1, 289363900), (2, 144681950), (4, 72340975), (5, 57872780), (7, 41337700), (10, 28936390), (14, 20668850), (20, 14468195), (25, 11574556), (28, 10334425), (35, 8267540), (50, 5787278), (70, 4133770), (100, 2893639), (140, 2066885), (175, 1653508), (350, 826754), (479, 604100), (700, 413377), (863, 335300), (958, 302050), (1726, 167650), (1916, 151025), (2395, 120820), (3353, 86300), (3452, 83825), (4315, 67060), (4790, 60410), (6041, 47900), (6706, 43150), (8630, 33530), (9580, 30205), (11975, 24164), (12082, 23950), (13412, 21575), (16765, 17260)]