27125420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 40098100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 311, 356, 445, 490, 622, 623, 890, 980, 1244, 1246, 1555, 1780, 2177, 2492, 3110, 3115, 4354, 4361, 6220, 6230, 8708, 8722, 10885, 12460, 15239, 17444, 21770, 21805, 27679, 30478, 43540, 43610, 55358, 60956, 76195, 87220, 110716, 138395, 152390, 193753, 276790, 304780, 387506, 553580, 775012, 968765, 1356271, 1937530, 2712542, 3875060, 5425084, 6781355, 13562710, 27125420]

約数ペア:

[(1, 27125420), (2, 13562710), (4, 6781355), (5, 5425084), (7, 3875060), (10, 2712542), (14, 1937530), (20, 1356271), (28, 968765), (35, 775012), (49, 553580), (70, 387506), (89, 304780), (98, 276790), (140, 193753), (178, 152390), (196, 138395), (245, 110716), (311, 87220), (356, 76195), (445, 60956), (490, 55358), (622, 43610), (623, 43540), (890, 30478), (980, 27679), (1244, 21805), (1246, 21770), (1555, 17444), (1780, 15239), (2177, 12460), (2492, 10885), (3110, 8722), (3115, 8708), (4354, 6230), (4361, 6220)]