578320708

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{1471}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 1219993600

約数和(自身を除く): 641672892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 739, 1471, 1478, 2942, 2956, 5173, 5884, 10297, 10346, 14041, 20594, 20692, 27949, 28082, 41188, 55898, 56164, 98287, 111796, 195643, 196574, 391286, 393148, 782572, 1087069, 2174138, 4348276, 7609483, 15218966, 20654311, 30437932, 41308622, 82617244, 144580177, 289160354, 578320708]

約数ペア:

[(1, 578320708), (2, 289160354), (4, 144580177), (7, 82617244), (14, 41308622), (19, 30437932), (28, 20654311), (38, 15218966), (76, 7609483), (133, 4348276), (266, 2174138), (532, 1087069), (739, 782572), (1471, 393148), (1478, 391286), (2942, 196574), (2956, 195643), (5173, 111796), (5884, 98287), (10297, 56164), (10346, 55898), (14041, 41188), (20594, 28082), (20692, 27949)]