256827200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 168

約数和(自身を含む): 754392192

約数和(自身を除く): 497564992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 320, 322, 350, 368, 400, 448, 460, 560, 575, 644, 700, 736, 800, 805, 920, 997, 1120, 1150, 1288, 1400, 1472, 1600, 1610, 1840, 1994, 2240, 2300, 2576, 2800, 3220, 3680, 3988, 4025, 4600, 4985, 5152, 5600, 6440, 6979, 7360, 7976, 8050, 9200, 9970, 10304, 11200, 12880, 13958, 15952, 16100, 18400, 19940, 22931, 24925, 25760, 27916, 31904, 32200, 34895, 36800, 39880, 45862, 49850, 51520, 55832, 63808, 64400, 69790, 79760, 91724, 99700, 111664, 114655, 128800, 139580, 159520, 160517, 174475, 183448, 199400, 223328, 229310, 257600, 279160, 319040, 321034, 348950, 366896, 398800, 446656, 458620, 558320, 573275, 642068, 697900, 733792, 797600, 802585, 917240, 1116640, 1146550, 1284136, 1395800, 1467584, 1595200, 1605170, 1834480, 2233280, 2293100, 2568272, 2791600, 3210340, 3668960, 4012925, 4586200, 5136544, 5583200, 6420680, 7337920, 8025850, 9172400, 10273088, 11166400, 12841360, 16051700, 18344800, 25682720, 32103400, 36689600, 51365440, 64206800, 128413600, 256827200]

約数ペア:

[(1, 256827200), (2, 128413600), (4, 64206800), (5, 51365440), (7, 36689600), (8, 32103400), (10, 25682720), (14, 18344800), (16, 16051700), (20, 12841360), (23, 11166400), (25, 10273088), (28, 9172400), (32, 8025850), (35, 7337920), (40, 6420680), (46, 5583200), (50, 5136544), (56, 4586200), (64, 4012925), (70, 3668960), (80, 3210340), (92, 2791600), (100, 2568272), (112, 2293100), (115, 2233280), (140, 1834480), (160, 1605170), (161, 1595200), (175, 1467584), (184, 1395800), (200, 1284136), (224, 1146550), (230, 1116640), (280, 917240), (320, 802585), (322, 797600), (350, 733792), (368, 697900), (400, 642068), (448, 573275), (460, 558320), (560, 458620), (575, 446656), (644, 398800), (700, 366896), (736, 348950), (800, 321034), (805, 319040), (920, 279160), (997, 257600), (1120, 229310), (1150, 223328), (1288, 199400), (1400, 183448), (1472, 174475), (1600, 160517), (1610, 159520), (1840, 139580), (1994, 128800), (2240, 114655), (2300, 111664), (2576, 99700), (2800, 91724), (3220, 79760), (3680, 69790), (3988, 64400), (4025, 63808), (4600, 55832), (4985, 51520), (5152, 49850), (5600, 45862), (6440, 39880), (6979, 36800), (7360, 34895), (7976, 32200), (8050, 31904), (9200, 27916), (9970, 25760), (10304, 24925), (11200, 22931), (12880, 19940), (13958, 18400), (15952, 16100)]