201964120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4132

約数の個数: 64

約数和(自身を含む): 481140000

約数和(自身を除く): 279175880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1160, 1247, 1720, 2494, 4049, 4988, 6235, 8098, 9976, 12470, 16196, 20245, 24940, 32392, 40490, 49880, 80980, 117421, 161960, 174107, 234842, 348214, 469684, 587105, 696428, 870535, 939368, 1174210, 1392856, 1741070, 2348420, 3482140, 4696840, 5049103, 6964280, 10098206, 20196412, 25245515, 40392824, 50491030, 100982060, 201964120]

約数ペア:

[(1, 201964120), (2, 100982060), (4, 50491030), (5, 40392824), (8, 25245515), (10, 20196412), (20, 10098206), (29, 6964280), (40, 5049103), (43, 4696840), (58, 3482140), (86, 2348420), (116, 1741070), (145, 1392856), (172, 1174210), (215, 939368), (232, 870535), (290, 696428), (344, 587105), (430, 469684), (580, 348214), (860, 234842), (1160, 174107), (1247, 161960), (1720, 117421), (2494, 80980), (4049, 49880), (4988, 40490), (6235, 32392), (8098, 24940), (9976, 20245), (12470, 16196)]