27839420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6857}}^1$

素因数の和:6902

約数の個数: 48

約数和(自身を含む): 69128640

約数和(自身を除く): 41289220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6857, 13714, 27428, 34285, 47999, 68570, 95998, 137140, 191996, 198853, 239995, 397706, 479990, 795412, 959980, 994265, 1391971, 1988530, 2783942, 3977060, 5567884, 6959855, 13919710, 27839420]

約数ペア:

[(1, 27839420), (2, 13919710), (4, 6959855), (5, 5567884), (7, 3977060), (10, 2783942), (14, 1988530), (20, 1391971), (28, 994265), (29, 959980), (35, 795412), (58, 479990), (70, 397706), (116, 239995), (140, 198853), (145, 191996), (203, 137140), (290, 95998), (406, 68570), (580, 47999), (812, 34285), (1015, 27428), (2030, 13714), (4060, 6857)]