7963900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 20443136

約数和(自身を除く): 12479236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 367, 434, 620, 700, 734, 775, 868, 1085, 1468, 1550, 1835, 2170, 2569, 3100, 3670, 4340, 5138, 5425, 7340, 9175, 10276, 10850, 11377, 12845, 18350, 21700, 22754, 25690, 36700, 45508, 51380, 56885, 64225, 79639, 113770, 128450, 159278, 227540, 256900, 284425, 318556, 398195, 568850, 796390, 1137700, 1592780, 1990975, 3981950, 7963900]

約数ペア:

[(1, 7963900), (2, 3981950), (4, 1990975), (5, 1592780), (7, 1137700), (10, 796390), (14, 568850), (20, 398195), (25, 318556), (28, 284425), (31, 256900), (35, 227540), (50, 159278), (62, 128450), (70, 113770), (100, 79639), (124, 64225), (140, 56885), (155, 51380), (175, 45508), (217, 36700), (310, 25690), (350, 22754), (367, 21700), (434, 18350), (620, 12845), (700, 11377), (734, 10850), (775, 10276), (868, 9175), (1085, 7340), (1468, 5425), (1550, 5138), (1835, 4340), (2170, 3670), (2569, 3100)]