187799990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 408844800

約数和(自身を除く): 221044810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 337, 419, 665, 674, 838, 1330, 1685, 2095, 2359, 2933, 3370, 4190, 4718, 5866, 6403, 7961, 11795, 12806, 14665, 15922, 23590, 29330, 32015, 39805, 44821, 55727, 64030, 79610, 89642, 111454, 141203, 224105, 278635, 282406, 448210, 557270, 706015, 988421, 1412030, 1976842, 2682857, 4942105, 5365714, 9884210, 13414285, 18779999, 26828570, 37559998, 93899995, 187799990]

約数ペア:

[(1, 187799990), (2, 93899995), (5, 37559998), (7, 26828570), (10, 18779999), (14, 13414285), (19, 9884210), (35, 5365714), (38, 4942105), (70, 2682857), (95, 1976842), (133, 1412030), (190, 988421), (266, 706015), (337, 557270), (419, 448210), (665, 282406), (674, 278635), (838, 224105), (1330, 141203), (1685, 111454), (2095, 89642), (2359, 79610), (2933, 64030), (3370, 55727), (4190, 44821), (4718, 39805), (5866, 32015), (6403, 29330), (7961, 23590), (11795, 15922), (12806, 14665)]