2009056742

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:898

約数の個数: 96

約数和(自身を含む): 4002877440

約数和(自身を除く): 1993820698

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 79, 98, 154, 158, 217, 341, 434, 539, 553, 682, 761, 869, 1078, 1106, 1519, 1522, 1738, 2387, 2449, 3038, 3871, 4774, 4898, 5327, 6083, 7742, 8371, 10654, 12166, 16709, 16742, 17143, 23591, 26939, 33418, 34286, 37289, 42581, 47182, 53878, 58597, 60119, 74578, 85162, 117194, 120001, 120238, 165137, 188573, 240002, 259501, 330274, 377146, 410179, 420833, 519002, 661309, 820358, 841666, 1155959, 1320011, 1322618, 1816507, 1863689, 2311918, 2640022, 2945831, 3633014, 3727378, 4629163, 5891662, 9258326, 12715549, 13045823, 20500579, 25431098, 26091646, 32404141, 41001158, 64808282, 91320761, 143504053, 182641522, 287008106, 1004528371, 2009056742]

約数ペア:

[(1, 2009056742), (2, 1004528371), (7, 287008106), (11, 182641522), (14, 143504053), (22, 91320761), (31, 64808282), (49, 41001158), (62, 32404141), (77, 26091646), (79, 25431098), (98, 20500579), (154, 13045823), (158, 12715549), (217, 9258326), (341, 5891662), (434, 4629163), (539, 3727378), (553, 3633014), (682, 2945831), (761, 2640022), (869, 2311918), (1078, 1863689), (1106, 1816507), (1519, 1322618), (1522, 1320011), (1738, 1155959), (2387, 841666), (2449, 820358), (3038, 661309), (3871, 519002), (4774, 420833), (4898, 410179), (5327, 377146), (6083, 330274), (7742, 259501), (8371, 240002), (10654, 188573), (12166, 165137), (16709, 120238), (16742, 120001), (17143, 117194), (23591, 85162), (26939, 74578), (33418, 60119), (34286, 58597), (37289, 53878), (42581, 47182)]