210009880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 491832000

約数和(自身を除く): 281822120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 197, 232, 290, 394, 580, 788, 919, 985, 1160, 1576, 1838, 1970, 3676, 3940, 4595, 5713, 7352, 7880, 9190, 11426, 18380, 22852, 26651, 28565, 36760, 45704, 53302, 57130, 106604, 114260, 133255, 181043, 213208, 228520, 266510, 362086, 533020, 724172, 905215, 1066040, 1448344, 1810430, 3620860, 5250247, 7241720, 10500494, 21000988, 26251235, 42001976, 52502470, 105004940, 210009880]

約数ペア:

[(1, 210009880), (2, 105004940), (4, 52502470), (5, 42001976), (8, 26251235), (10, 21000988), (20, 10500494), (29, 7241720), (40, 5250247), (58, 3620860), (116, 1810430), (145, 1448344), (197, 1066040), (232, 905215), (290, 724172), (394, 533020), (580, 362086), (788, 266510), (919, 228520), (985, 213208), (1160, 181043), (1576, 133255), (1838, 114260), (1970, 106604), (3676, 57130), (3940, 53302), (4595, 45704), (5713, 36760), (7352, 28565), (7880, 26651), (9190, 22852), (11426, 18380)]