129886600

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{7297}}^1$

素因数の和:7402

約数の個数: 48

約数和(自身を含む): 305421300

約数和(自身を除く): 175534700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 4450, 7297, 8900, 14594, 17800, 29188, 36485, 58376, 72970, 145940, 182425, 291880, 364850, 649433, 729700, 1298866, 1459400, 2597732, 3247165, 5195464, 6494330, 12988660, 16235825, 25977320, 32471650, 64943300, 129886600]

約数ペア:

[(1, 129886600), (2, 64943300), (4, 32471650), (5, 25977320), (8, 16235825), (10, 12988660), (20, 6494330), (25, 5195464), (40, 3247165), (50, 2597732), (89, 1459400), (100, 1298866), (178, 729700), (200, 649433), (356, 364850), (445, 291880), (712, 182425), (890, 145940), (1780, 72970), (2225, 58376), (3560, 36485), (4450, 29188), (7297, 17800), (8900, 14594)]