208604800

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 561571200

約数和(自身を除く): 352966400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 47, 50, 64, 73, 76, 80, 94, 95, 100, 128, 146, 152, 160, 188, 190, 200, 235, 292, 304, 320, 365, 376, 380, 400, 470, 475, 584, 608, 640, 730, 752, 760, 800, 893, 940, 950, 1168, 1175, 1216, 1387, 1460, 1504, 1520, 1600, 1786, 1825, 1880, 1900, 2336, 2350, 2432, 2774, 2920, 3008, 3040, 3200, 3431, 3572, 3650, 3760, 3800, 4465, 4672, 4700, 5548, 5840, 6016, 6080, 6862, 6935, 7144, 7300, 7520, 7600, 8930, 9344, 9400, 11096, 11680, 12160, 13724, 13870, 14288, 14600, 15040, 15200, 17155, 17860, 18800, 22192, 22325, 23360, 27448, 27740, 28576, 29200, 30080, 30400, 34310, 34675, 35720, 37600, 44384, 44650, 46720, 54896, 55480, 57152, 58400, 60800, 65189, 68620, 69350, 71440, 75200, 85775, 88768, 89300, 109792, 110960, 114304, 116800, 130378, 137240, 138700, 142880, 150400, 171550, 177536, 178600, 219584, 221920, 233600, 260756, 274480, 277400, 285760, 325945, 343100, 357200, 439168, 443840, 521512, 548960, 554800, 571520, 651890, 686200, 714400, 887680, 1043024, 1097920, 1109600, 1303780, 1372400, 1428800, 1629725, 2086048, 2195840, 2219200, 2607560, 2744800, 2857600, 3259450, 4172096, 4438400, 5215120, 5489600, 6518900, 8344192, 10430240, 10979200, 13037800, 20860480, 26075600, 41720960, 52151200, 104302400, 208604800]

約数ペア:

[(1, 208604800), (2, 104302400), (4, 52151200), (5, 41720960), (8, 26075600), (10, 20860480), (16, 13037800), (19, 10979200), (20, 10430240), (25, 8344192), (32, 6518900), (38, 5489600), (40, 5215120), (47, 4438400), (50, 4172096), (64, 3259450), (73, 2857600), (76, 2744800), (80, 2607560), (94, 2219200), (95, 2195840), (100, 2086048), (128, 1629725), (146, 1428800), (152, 1372400), (160, 1303780), (188, 1109600), (190, 1097920), (200, 1043024), (235, 887680), (292, 714400), (304, 686200), (320, 651890), (365, 571520), (376, 554800), (380, 548960), (400, 521512), (470, 443840), (475, 439168), (584, 357200), (608, 343100), (640, 325945), (730, 285760), (752, 277400), (760, 274480), (800, 260756), (893, 233600), (940, 221920), (950, 219584), (1168, 178600), (1175, 177536), (1216, 171550), (1387, 150400), (1460, 142880), (1504, 138700), (1520, 137240), (1600, 130378), (1786, 116800), (1825, 114304), (1880, 110960), (1900, 109792), (2336, 89300), (2350, 88768), (2432, 85775), (2774, 75200), (2920, 71440), (3008, 69350), (3040, 68620), (3200, 65189), (3431, 60800), (3572, 58400), (3650, 57152), (3760, 55480), (3800, 54896), (4465, 46720), (4672, 44650), (4700, 44384), (5548, 37600), (5840, 35720), (6016, 34675), (6080, 34310), (6862, 30400), (6935, 30080), (7144, 29200), (7300, 28576), (7520, 27740), (7600, 27448), (8930, 23360), (9344, 22325), (9400, 22192), (11096, 18800), (11680, 17860), (12160, 17155), (13724, 15200), (13870, 15040), (14288, 14600)]