51374540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7489}}^1$

素因数の和:7519

約数の個数: 48

約数和(自身を含む): 125832000

約数和(自身を除く): 74457460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7489, 14978, 29956, 37445, 52423, 74890, 104846, 149780, 209692, 262115, 366961, 524230, 733922, 1048460, 1467844, 1834805, 2568727, 3669610, 5137454, 7339220, 10274908, 12843635, 25687270, 51374540]

約数ペア:

[(1, 51374540), (2, 25687270), (4, 12843635), (5, 10274908), (7, 7339220), (10, 5137454), (14, 3669610), (20, 2568727), (28, 1834805), (35, 1467844), (49, 1048460), (70, 733922), (98, 524230), (140, 366961), (196, 262115), (245, 209692), (343, 149780), (490, 104846), (686, 74890), (980, 52423), (1372, 37445), (1715, 29956), (3430, 14978), (6860, 7489)]