687536060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1\times {\mathrm{1999}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 1496880000

約数和(自身を除く): 809343940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 593, 1186, 1999, 2372, 2965, 3998, 5930, 7996, 9995, 11860, 17197, 19990, 34394, 39980, 57971, 68788, 85985, 115942, 171970, 231884, 289855, 343940, 579710, 1159420, 1185407, 2370814, 4741628, 5927035, 11854070, 23708140, 34376803, 68753606, 137507212, 171884015, 343768030, 687536060]

約数ペア:

[(1, 687536060), (2, 343768030), (4, 171884015), (5, 137507212), (10, 68753606), (20, 34376803), (29, 23708140), (58, 11854070), (116, 5927035), (145, 4741628), (290, 2370814), (580, 1185407), (593, 1159420), (1186, 579710), (1999, 343940), (2372, 289855), (2965, 231884), (3998, 171970), (5930, 115942), (7996, 85985), (9995, 68788), (11860, 57971), (17197, 39980), (19990, 34394)]