221220930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1063}}^1$

素因数の和:2071

約数の個数: 64

約数和(自身を含む): 607961088

約数和(自身を除く): 386740158

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 991, 1063, 1982, 2126, 2973, 3189, 4955, 5315, 5946, 6378, 6937, 7441, 9910, 10630, 13874, 14865, 14882, 15945, 20811, 22323, 29730, 31890, 34685, 37205, 41622, 44646, 69370, 74410, 104055, 111615, 208110, 223230, 1053433, 2106866, 3160299, 5267165, 6320598, 7374031, 10534330, 14748062, 15801495, 22122093, 31602990, 36870155, 44244186, 73740310, 110610465, 221220930]

約数ペア:

[(1, 221220930), (2, 110610465), (3, 73740310), (5, 44244186), (6, 36870155), (7, 31602990), (10, 22122093), (14, 15801495), (15, 14748062), (21, 10534330), (30, 7374031), (35, 6320598), (42, 5267165), (70, 3160299), (105, 2106866), (210, 1053433), (991, 223230), (1063, 208110), (1982, 111615), (2126, 104055), (2973, 74410), (3189, 69370), (4955, 44646), (5315, 41622), (5946, 37205), (6378, 34685), (6937, 31890), (7441, 29730), (9910, 22323), (10630, 20811), (13874, 15945), (14865, 14882)]