218600840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6079}}^1$

素因数の和:6150

約数の個数: 64

約数和(自身を含む): 525312000

約数和(自身を除く): 306711160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 6079, 7192, 8990, 12158, 17980, 24316, 30395, 35960, 48632, 60790, 121580, 176291, 188449, 243160, 352582, 376898, 705164, 753796, 881455, 942245, 1410328, 1507592, 1762910, 1884490, 3525820, 3768980, 5465021, 7051640, 7537960, 10930042, 21860084, 27325105, 43720168, 54650210, 109300420, 218600840]

約数ペア:

[(1, 218600840), (2, 109300420), (4, 54650210), (5, 43720168), (8, 27325105), (10, 21860084), (20, 10930042), (29, 7537960), (31, 7051640), (40, 5465021), (58, 3768980), (62, 3525820), (116, 1884490), (124, 1762910), (145, 1507592), (155, 1410328), (232, 942245), (248, 881455), (290, 753796), (310, 705164), (580, 376898), (620, 352582), (899, 243160), (1160, 188449), (1240, 176291), (1798, 121580), (3596, 60790), (4495, 48632), (6079, 35960), (7192, 30395), (8990, 24316), (12158, 17980)]