2028851020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{499717}}^1$

素因数の和:499762

約数の個数: 48

約数和(自身を含む): 5037157440

約数和(自身を除く): 3008306420

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, 499717, 999434, 1998868, 2498585, 3498019, 4997170, 6996038, 9994340, 13992076, 14491793, 17490095, 28983586, 34980190, 57967172, 69960380, 72458965, 101442551, 144917930, 202885102, 289835860, 405770204, 507212755, 1014425510, 2028851020]

約数ペア:

[(1, 2028851020), (2, 1014425510), (4, 507212755), (5, 405770204), (7, 289835860), (10, 202885102), (14, 144917930), (20, 101442551), (28, 72458965), (29, 69960380), (35, 57967172), (58, 34980190), (70, 28983586), (116, 17490095), (140, 14491793), (145, 13992076), (203, 9994340), (290, 6996038), (406, 4997170), (580, 3498019), (812, 2498585), (1015, 1998868), (2030, 999434), (4060, 499717)]