281226400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3863}}^1$

素因数の和:3903

約数の個数: 144

約数和(自身を含む): 845195904

約数和(自身を除く): 563969504

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 325, 350, 364, 400, 416, 455, 520, 560, 650, 700, 728, 800, 910, 1040, 1120, 1300, 1400, 1456, 1820, 2080, 2275, 2600, 2800, 2912, 3640, 3863, 4550, 5200, 5600, 7280, 7726, 9100, 10400, 14560, 15452, 18200, 19315, 27041, 30904, 36400, 38630, 50219, 54082, 61808, 72800, 77260, 96575, 100438, 108164, 123616, 135205, 154520, 193150, 200876, 216328, 251095, 270410, 309040, 351533, 386300, 401752, 432656, 502190, 540820, 618080, 676025, 703066, 772600, 803504, 865312, 1004380, 1081640, 1255475, 1352050, 1406132, 1545200, 1607008, 1757665, 2008760, 2163280, 2510950, 2704100, 2812264, 3090400, 3515330, 4017520, 4326560, 5021900, 5408200, 5624528, 7030660, 8035040, 8788325, 10043800, 10816400, 11249056, 14061320, 17576650, 20087600, 21632800, 28122640, 35153300, 40175200, 56245280, 70306600, 140613200, 281226400]

約数ペア:

[(1, 281226400), (2, 140613200), (4, 70306600), (5, 56245280), (7, 40175200), (8, 35153300), (10, 28122640), (13, 21632800), (14, 20087600), (16, 17576650), (20, 14061320), (25, 11249056), (26, 10816400), (28, 10043800), (32, 8788325), (35, 8035040), (40, 7030660), (50, 5624528), (52, 5408200), (56, 5021900), (65, 4326560), (70, 4017520), (80, 3515330), (91, 3090400), (100, 2812264), (104, 2704100), (112, 2510950), (130, 2163280), (140, 2008760), (160, 1757665), (175, 1607008), (182, 1545200), (200, 1406132), (208, 1352050), (224, 1255475), (260, 1081640), (280, 1004380), (325, 865312), (350, 803504), (364, 772600), (400, 703066), (416, 676025), (455, 618080), (520, 540820), (560, 502190), (650, 432656), (700, 401752), (728, 386300), (800, 351533), (910, 309040), (1040, 270410), (1120, 251095), (1300, 216328), (1400, 200876), (1456, 193150), (1820, 154520), (2080, 135205), (2275, 123616), (2600, 108164), (2800, 100438), (2912, 96575), (3640, 77260), (3863, 72800), (4550, 61808), (5200, 54082), (5600, 50219), (7280, 38630), (7726, 36400), (9100, 30904), (10400, 27041), (14560, 19315), (15452, 18200)]