254071895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 409190400

約数和(自身を除く): 155118505

約数列:

[1, 5, 7, 11, 19, 35, 47, 55, 77, 95, 133, 209, 235, 329, 385, 517, 665, 739, 893, 1045, 1463, 1645, 2585, 3619, 3695, 4465, 5173, 6251, 7315, 8129, 9823, 14041, 18095, 25865, 31255, 34733, 40645, 49115, 56903, 68761, 70205, 98287, 154451, 173665, 243131, 284515, 343805, 382063, 491435, 659927, 772255, 1081157, 1215655, 1910315, 2674441, 3299635, 4619489, 5405785, 7259197, 13372205, 23097445, 36295985, 50814379, 254071895]

約数ペア:

[(1, 254071895), (5, 50814379), (7, 36295985), (11, 23097445), (19, 13372205), (35, 7259197), (47, 5405785), (55, 4619489), (77, 3299635), (95, 2674441), (133, 1910315), (209, 1215655), (235, 1081157), (329, 772255), (385, 659927), (517, 491435), (665, 382063), (739, 343805), (893, 284515), (1045, 243131), (1463, 173665), (1645, 154451), (2585, 98287), (3619, 70205), (3695, 68761), (4465, 56903), (5173, 49115), (6251, 40645), (7315, 34733), (8129, 31255), (9823, 25865), (14041, 18095)]