1379968400

素因数分解:

$2^4\times 5^2\times {\mathrm{947}}^1\times {\mathrm{3643}}^1$

素因数の和:4608

約数の個数: 60

約数和(自身を含む): 3319786032

約数和(自身を除く): 1939817632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 947, 1894, 3643, 3788, 4735, 7286, 7576, 9470, 14572, 15152, 18215, 18940, 23675, 29144, 36430, 37880, 47350, 58288, 72860, 75760, 91075, 94700, 145720, 182150, 189400, 291440, 364300, 378800, 728600, 1457200, 3449921, 6899842, 13799684, 17249605, 27599368, 34499210, 55198736, 68998420, 86248025, 137996840, 172496050, 275993680, 344992100, 689984200, 1379968400]

約数ペア:

[(1, 1379968400), (2, 689984200), (4, 344992100), (5, 275993680), (8, 172496050), (10, 137996840), (16, 86248025), (20, 68998420), (25, 55198736), (40, 34499210), (50, 27599368), (80, 17249605), (100, 13799684), (200, 6899842), (400, 3449921), (947, 1457200), (1894, 728600), (3643, 378800), (3788, 364300), (4735, 291440), (7286, 189400), (7576, 182150), (9470, 145720), (14572, 94700), (15152, 91075), (18215, 75760), (18940, 72860), (23675, 58288), (29144, 47350), (36430, 37880)]