251019370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 526901760

約数和(自身を除く): 275882390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 167, 197, 218, 334, 394, 545, 763, 835, 985, 1090, 1169, 1379, 1526, 1670, 1970, 2338, 2758, 3815, 5845, 6895, 7630, 11690, 13790, 18203, 21473, 32899, 36406, 42946, 65798, 91015, 107365, 127421, 150311, 164495, 182030, 214730, 230293, 254842, 300622, 328990, 460586, 637105, 751555, 1151465, 1274210, 1503110, 2302930, 3585991, 7171982, 17929955, 25101937, 35859910, 50203874, 125509685, 251019370]

約数ペア:

[(1, 251019370), (2, 125509685), (5, 50203874), (7, 35859910), (10, 25101937), (14, 17929955), (35, 7171982), (70, 3585991), (109, 2302930), (167, 1503110), (197, 1274210), (218, 1151465), (334, 751555), (394, 637105), (545, 460586), (763, 328990), (835, 300622), (985, 254842), (1090, 230293), (1169, 214730), (1379, 182030), (1526, 164495), (1670, 150311), (1970, 127421), (2338, 107365), (2758, 91015), (3815, 65798), (5845, 42946), (6895, 36406), (7630, 32899), (11690, 21473), (13790, 18203)]