123704420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{126229}}^1$

素因数の和:126252

約数の個数: 36

約数和(自身を含む): 302194620

約数和(自身を除く): 178490200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 126229, 252458, 504916, 631145, 883603, 1262290, 1767206, 2524580, 3534412, 4418015, 6185221, 8836030, 12370442, 17672060, 24740884, 30926105, 61852210, 123704420]

約数ペア:

[(1, 123704420), (2, 61852210), (4, 30926105), (5, 24740884), (7, 17672060), (10, 12370442), (14, 8836030), (20, 6185221), (28, 4418015), (35, 3534412), (49, 2524580), (70, 1767206), (98, 1262290), (140, 883603), (196, 631145), (245, 504916), (490, 252458), (980, 126229)]