131123580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312199}}^1$

素因数の和:312218

約数の個数: 48

約数和(自身を含む): 419596800

約数和(自身を除く): 288473220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 312199, 624398, 936597, 1248796, 1560995, 1873194, 2185393, 3121990, 3746388, 4370786, 4682985, 6243980, 6556179, 8741572, 9365970, 10926965, 13112358, 18731940, 21853930, 26224716, 32780895, 43707860, 65561790, 131123580]

約数ペア:

[(1, 131123580), (2, 65561790), (3, 43707860), (4, 32780895), (5, 26224716), (6, 21853930), (7, 18731940), (10, 13112358), (12, 10926965), (14, 9365970), (15, 8741572), (20, 6556179), (21, 6243980), (28, 4682985), (30, 4370786), (35, 3746388), (42, 3121990), (60, 2185393), (70, 1873194), (84, 1560995), (105, 1248796), (140, 936597), (210, 624398), (420, 312199)]