201021590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3677}}^1$

素因数の和:3773

約数の個数: 64

約数和(自身を含む): 457602048

約数和(自身を除く): 256580458

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 3677, 3905, 4970, 5467, 7354, 7810, 10934, 18385, 25739, 27335, 36770, 40447, 51478, 54670, 80894, 128695, 202235, 257390, 261067, 283129, 404470, 522134, 566258, 1305335, 1415645, 1827469, 2610670, 2831290, 2871737, 3654938, 5743474, 9137345, 14358685, 18274690, 20102159, 28717370, 40204318, 100510795, 201021590]

約数ペア:

[(1, 201021590), (2, 100510795), (5, 40204318), (7, 28717370), (10, 20102159), (11, 18274690), (14, 14358685), (22, 9137345), (35, 5743474), (55, 3654938), (70, 2871737), (71, 2831290), (77, 2610670), (110, 1827469), (142, 1415645), (154, 1305335), (355, 566258), (385, 522134), (497, 404470), (710, 283129), (770, 261067), (781, 257390), (994, 202235), (1562, 128695), (2485, 80894), (3677, 54670), (3905, 51478), (4970, 40447), (5467, 36770), (7354, 27335), (7810, 25739), (10934, 18385)]