2129073560

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1\times {\mathrm{997}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 4837345920

約数和(自身を除く): 2708272360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 271, 394, 542, 788, 985, 997, 1084, 1355, 1576, 1970, 1994, 2168, 2710, 3940, 3988, 4985, 5420, 7880, 7976, 9970, 10840, 19940, 39880, 53387, 106774, 196409, 213548, 266935, 270187, 392818, 427096, 533870, 540374, 785636, 982045, 1067740, 1080748, 1350935, 1571272, 1964090, 2135480, 2161496, 2701870, 3928180, 5403740, 7856360, 10807480, 53226839, 106453678, 212907356, 266134195, 425814712, 532268390, 1064536780, 2129073560]

約数ペア:

[(1, 2129073560), (2, 1064536780), (4, 532268390), (5, 425814712), (8, 266134195), (10, 212907356), (20, 106453678), (40, 53226839), (197, 10807480), (271, 7856360), (394, 5403740), (542, 3928180), (788, 2701870), (985, 2161496), (997, 2135480), (1084, 1964090), (1355, 1571272), (1576, 1350935), (1970, 1080748), (1994, 1067740), (2168, 982045), (2710, 785636), (3940, 540374), (3988, 533870), (4985, 427096), (5420, 392818), (7880, 270187), (7976, 266935), (9970, 213548), (10840, 196409), (19940, 106774), (39880, 53387)]