2720272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 5698296

約数和(自身を除く): 2978024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 137, 146, 272, 274, 292, 548, 584, 1096, 1168, 1241, 2192, 2329, 2482, 4658, 4964, 9316, 9928, 10001, 18632, 19856, 20002, 37264, 40004, 80008, 160016, 170017, 340034, 680068, 1360136, 2720272]

約数ペア:

[(1, 2720272), (2, 1360136), (4, 680068), (8, 340034), (16, 170017), (17, 160016), (34, 80008), (68, 40004), (73, 37264), (136, 20002), (137, 19856), (146, 18632), (272, 10001), (274, 9928), (292, 9316), (548, 4964), (584, 4658), (1096, 2482), (1168, 2329), (1241, 2192)]