91649380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 205737840

約数和(自身を除く): 114088460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 2473, 3706, 4946, 7412, 9265, 9892, 12365, 18530, 24730, 37060, 42041, 49460, 84082, 168164, 210205, 269557, 420410, 539114, 840820, 1078228, 1347785, 2695570, 4582469, 5391140, 9164938, 18329876, 22912345, 45824690, 91649380]

約数ペア:

[(1, 91649380), (2, 45824690), (4, 22912345), (5, 18329876), (10, 9164938), (17, 5391140), (20, 4582469), (34, 2695570), (68, 1347785), (85, 1078228), (109, 840820), (170, 539114), (218, 420410), (340, 269557), (436, 210205), (545, 168164), (1090, 84082), (1853, 49460), (2180, 42041), (2473, 37060), (3706, 24730), (4946, 18530), (7412, 12365), (9265, 9892)]