799820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 1995840

約数和(自身を除く): 1196020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 197, 203, 290, 394, 406, 580, 788, 812, 985, 1015, 1379, 1970, 2030, 2758, 3940, 4060, 5516, 5713, 6895, 11426, 13790, 22852, 27580, 28565, 39991, 57130, 79982, 114260, 159964, 199955, 399910, 799820]

約数ペア:

[(1, 799820), (2, 399910), (4, 199955), (5, 159964), (7, 114260), (10, 79982), (14, 57130), (20, 39991), (28, 28565), (29, 27580), (35, 22852), (58, 13790), (70, 11426), (116, 6895), (140, 5713), (145, 5516), (197, 4060), (203, 3940), (290, 2758), (394, 2030), (406, 1970), (580, 1379), (788, 1015), (812, 985)]