251258256

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:853

約数の個数: 120

約数和(自身を含む): 741648960

約数和(自身を除く): 490390704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 107, 138, 144, 184, 207, 214, 276, 321, 368, 414, 428, 552, 642, 709, 828, 856, 963, 1104, 1284, 1418, 1656, 1712, 1926, 2127, 2461, 2568, 2836, 3312, 3852, 4254, 4922, 5136, 5672, 6381, 7383, 7704, 8508, 9844, 11344, 12762, 14766, 15408, 16307, 17016, 19688, 22149, 25524, 29532, 32614, 34032, 39376, 44298, 48921, 51048, 59064, 65228, 75863, 88596, 97842, 102096, 118128, 130456, 146763, 151726, 177192, 195684, 227589, 260912, 293526, 303452, 354384, 391368, 455178, 587052, 606904, 682767, 782736, 910356, 1174104, 1213808, 1365534, 1744849, 1820712, 2348208, 2731068, 3489698, 3641424, 5234547, 5462136, 6979396, 10469094, 10924272, 13958792, 15703641, 20938188, 27917584, 31407282, 41876376, 62814564, 83752752, 125629128, 251258256]

約数ペア:

[(1, 251258256), (2, 125629128), (3, 83752752), (4, 62814564), (6, 41876376), (8, 31407282), (9, 27917584), (12, 20938188), (16, 15703641), (18, 13958792), (23, 10924272), (24, 10469094), (36, 6979396), (46, 5462136), (48, 5234547), (69, 3641424), (72, 3489698), (92, 2731068), (107, 2348208), (138, 1820712), (144, 1744849), (184, 1365534), (207, 1213808), (214, 1174104), (276, 910356), (321, 782736), (368, 682767), (414, 606904), (428, 587052), (552, 455178), (642, 391368), (709, 354384), (828, 303452), (856, 293526), (963, 260912), (1104, 227589), (1284, 195684), (1418, 177192), (1656, 151726), (1712, 146763), (1926, 130456), (2127, 118128), (2461, 102096), (2568, 97842), (2836, 88596), (3312, 75863), (3852, 65228), (4254, 59064), (4922, 51048), (5136, 48921), (5672, 44298), (6381, 39376), (7383, 34032), (7704, 32614), (8508, 29532), (9844, 25524), (11344, 22149), (12762, 19688), (14766, 17016), (15408, 16307)]