20190352

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:325

約数の個数: 80

約数和(自身を含む): 49302400

約数和(自身を除く): 29112048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 283, 343, 364, 392, 566, 637, 686, 728, 784, 1132, 1274, 1372, 1456, 1981, 2264, 2548, 2744, 3679, 3962, 4459, 4528, 5096, 5488, 7358, 7924, 8918, 10192, 13867, 14716, 15848, 17836, 25753, 27734, 29432, 31696, 35672, 51506, 55468, 58864, 71344, 97069, 103012, 110936, 180271, 194138, 206024, 221872, 360542, 388276, 412048, 721084, 776552, 1261897, 1442168, 1553104, 2523794, 2884336, 5047588, 10095176, 20190352]

約数ペア:

[(1, 20190352), (2, 10095176), (4, 5047588), (7, 2884336), (8, 2523794), (13, 1553104), (14, 1442168), (16, 1261897), (26, 776552), (28, 721084), (49, 412048), (52, 388276), (56, 360542), (91, 221872), (98, 206024), (104, 194138), (112, 180271), (182, 110936), (196, 103012), (208, 97069), (283, 71344), (343, 58864), (364, 55468), (392, 51506), (566, 35672), (637, 31696), (686, 29432), (728, 27734), (784, 25753), (1132, 17836), (1274, 15848), (1372, 14716), (1456, 13867), (1981, 10192), (2264, 8918), (2548, 7924), (2744, 7358), (3679, 5488), (3962, 5096), (4459, 4528)]