207174450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 607621824

約数和(自身を除く): 400447374

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 71, 75, 98, 105, 142, 147, 150, 175, 210, 213, 245, 294, 350, 355, 397, 426, 490, 497, 525, 710, 735, 794, 994, 1050, 1065, 1191, 1225, 1470, 1491, 1775, 1985, 2130, 2382, 2450, 2485, 2779, 2982, 3479, 3550, 3675, 3970, 4970, 5325, 5558, 5955, 6958, 7350, 7455, 8337, 9925, 10437, 10650, 11910, 12425, 13895, 14910, 16674, 17395, 19453, 19850, 20874, 24850, 27790, 28187, 29775, 34790, 37275, 38906, 41685, 52185, 56374, 58359, 59550, 69475, 74550, 83370, 84561, 86975, 97265, 104370, 116718, 138950, 140935, 169122, 173950, 194530, 197309, 208425, 260925, 281870, 291795, 394618, 416850, 422805, 486325, 521850, 583590, 591927, 704675, 845610, 972650, 986545, 1183854, 1381163, 1409350, 1458975, 1973090, 2114025, 2762326, 2917950, 2959635, 4143489, 4228050, 4932725, 5919270, 6905815, 8286978, 9865450, 13811630, 14798175, 20717445, 29596350, 34529075, 41434890, 69058150, 103587225, 207174450]

約数ペア:

[(1, 207174450), (2, 103587225), (3, 69058150), (5, 41434890), (6, 34529075), (7, 29596350), (10, 20717445), (14, 14798175), (15, 13811630), (21, 9865450), (25, 8286978), (30, 6905815), (35, 5919270), (42, 4932725), (49, 4228050), (50, 4143489), (70, 2959635), (71, 2917950), (75, 2762326), (98, 2114025), (105, 1973090), (142, 1458975), (147, 1409350), (150, 1381163), (175, 1183854), (210, 986545), (213, 972650), (245, 845610), (294, 704675), (350, 591927), (355, 583590), (397, 521850), (426, 486325), (490, 422805), (497, 416850), (525, 394618), (710, 291795), (735, 281870), (794, 260925), (994, 208425), (1050, 197309), (1065, 194530), (1191, 173950), (1225, 169122), (1470, 140935), (1491, 138950), (1775, 116718), (1985, 104370), (2130, 97265), (2382, 86975), (2450, 84561), (2485, 83370), (2779, 74550), (2982, 69475), (3479, 59550), (3550, 58359), (3675, 56374), (3970, 52185), (4970, 41685), (5325, 38906), (5558, 37275), (5955, 34790), (6958, 29775), (7350, 28187), (7455, 27790), (8337, 24850), (9925, 20874), (10437, 19850), (10650, 19453), (11910, 17395), (12425, 16674), (13895, 14910)]