2540888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 5820720

約数和(自身を除く): 3279832

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 157, 238, 289, 314, 476, 578, 628, 952, 1099, 1156, 1256, 2023, 2198, 2312, 2669, 4046, 4396, 5338, 8092, 8792, 10676, 16184, 18683, 21352, 37366, 45373, 74732, 90746, 149464, 181492, 317611, 362984, 635222, 1270444, 2540888]

約数ペア:

[(1, 2540888), (2, 1270444), (4, 635222), (7, 362984), (8, 317611), (14, 181492), (17, 149464), (28, 90746), (34, 74732), (56, 45373), (68, 37366), (119, 21352), (136, 18683), (157, 16184), (238, 10676), (289, 8792), (314, 8092), (476, 5338), (578, 4396), (628, 4046), (952, 2669), (1099, 2312), (1156, 2198), (1256, 2023)]