257093200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1054

約数の個数: 180

約数和(自身を含む): 774546780

約数和(自身を除く): 517453580

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 175, 182, 196, 200, 208, 245, 260, 280, 325, 350, 364, 392, 400, 455, 490, 520, 560, 637, 650, 700, 728, 784, 910, 980, 1009, 1040, 1225, 1274, 1300, 1400, 1456, 1820, 1960, 2018, 2275, 2450, 2548, 2600, 2800, 3185, 3640, 3920, 4036, 4550, 4900, 5045, 5096, 5200, 6370, 7063, 7280, 8072, 9100, 9800, 10090, 10192, 12740, 13117, 14126, 15925, 16144, 18200, 19600, 20180, 25225, 25480, 26234, 28252, 31850, 35315, 36400, 40360, 49441, 50450, 50960, 52468, 56504, 63700, 65585, 70630, 80720, 91819, 98882, 100900, 104936, 113008, 127400, 131170, 141260, 176575, 183638, 197764, 201800, 209872, 247205, 254800, 262340, 282520, 327925, 353150, 367276, 395528, 403600, 459095, 494410, 524680, 565040, 642733, 655850, 706300, 734552, 791056, 918190, 988820, 1049360, 1236025, 1285466, 1311700, 1412600, 1469104, 1836380, 1977640, 2295475, 2472050, 2570932, 2623400, 2825200, 3213665, 3672760, 3955280, 4590950, 4944100, 5141864, 5246800, 6427330, 7345520, 9181900, 9888200, 10283728, 12854660, 16068325, 18363800, 19776400, 25709320, 32136650, 36727600, 51418640, 64273300, 128546600, 257093200]

約数ペア:

[(1, 257093200), (2, 128546600), (4, 64273300), (5, 51418640), (7, 36727600), (8, 32136650), (10, 25709320), (13, 19776400), (14, 18363800), (16, 16068325), (20, 12854660), (25, 10283728), (26, 9888200), (28, 9181900), (35, 7345520), (40, 6427330), (49, 5246800), (50, 5141864), (52, 4944100), (56, 4590950), (65, 3955280), (70, 3672760), (80, 3213665), (91, 2825200), (98, 2623400), (100, 2570932), (104, 2472050), (112, 2295475), (130, 1977640), (140, 1836380), (175, 1469104), (182, 1412600), (196, 1311700), (200, 1285466), (208, 1236025), (245, 1049360), (260, 988820), (280, 918190), (325, 791056), (350, 734552), (364, 706300), (392, 655850), (400, 642733), (455, 565040), (490, 524680), (520, 494410), (560, 459095), (637, 403600), (650, 395528), (700, 367276), (728, 353150), (784, 327925), (910, 282520), (980, 262340), (1009, 254800), (1040, 247205), (1225, 209872), (1274, 201800), (1300, 197764), (1400, 183638), (1456, 176575), (1820, 141260), (1960, 131170), (2018, 127400), (2275, 113008), (2450, 104936), (2548, 100900), (2600, 98882), (2800, 91819), (3185, 80720), (3640, 70630), (3920, 65585), (4036, 63700), (4550, 56504), (4900, 52468), (5045, 50960), (5096, 50450), (5200, 49441), (6370, 40360), (7063, 36400), (7280, 35315), (8072, 31850), (9100, 28252), (9800, 26234), (10090, 25480), (10192, 25225), (12740, 20180), (13117, 19600), (14126, 18200), (15925, 16144)]